Colab_Class_10.ipynb

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    "colab": {
      "provenance": []
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "language_info": {
      "name": "python"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "source": [
        "#### **String Methods in Python**\n",
        "\n",
        "1. strip\n",
        "2. lstrip\n",
        "3. rstrip\n",
        "4. split\n",
        "5. rsplit\n",
        "6. join\n",
        "7. replace\n",
        "8. upper\n",
        "9. lower\n",
        "10. isupper\n",
        "11. islower\n",
        "12. capitalize\n",
        "13. isalpha\n",
        "14. isnumeric\n",
        "15. isalnum\n",
        "16. count\n",
        "17. find\n",
        "18. rfind\n",
        "19. index\n",
        "20. rindex"
      ],
      "metadata": {
        "id": "H9moZNDHDcxW"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "# strip\n",
        "\n",
        "name = \"Rohit Sharma\"\n",
        "\n",
        "name.strip()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "1VcykEhEcmhk",
        "outputId": "d2b2af34-fe3c-43e6-a150-b2d1b7f3b0c1"
      },
      "execution_count": 9,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Rohit Sharma'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 9
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"  Rohit Sharma\"\n",
        "\n",
        "name.strip()\n"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "kAppDqy9f6F4",
        "outputId": "a490af9e-0d45-4d13-bc2a-6c9e74b595f1"
      },
      "execution_count": 10,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Rohit Sharma'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 10
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"  Rohit Sharma   \"\n",
        "\n",
        "name.strip()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "xgzZzi7GgExU",
        "outputId": "fafb485a-8bd1-4aba-c091-bbbe2ca33ddb"
      },
      "execution_count": 11,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Rohit Sharma'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 11
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \".a..Rohit Sharma..b.\"\n",
        "\n",
        "name.strip(\".\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "Oawr_zKzgHo8",
        "outputId": "5f0315e3-f6a3-496a-d316-4307482611eb"
      },
      "execution_count": 16,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'a..Rohit Sharma..b'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 16
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \".a..Rohit Sharma..b.\"\n",
        "\n",
        "name.strip(\".Ra\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "fV4Eg774gwKf",
        "outputId": "5f4f884e-e6dc-4fa6-c6c4-7f899f1a8d86"
      },
      "execution_count": 17,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'ohit Sharma..b'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 17
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \".a..Rohit Sharma..b.\"\n",
        "\n",
        "name.strip(\".rabm\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "pthRCVFshZFR",
        "outputId": "dbfd091b-0931-445d-8e2e-f4397e9a2bb2"
      },
      "execution_count": 19,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Rohit Sh'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 19
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# lstrip\n",
        "\n",
        "name = \".a..Rohit Sharma..b.\"\n",
        "\n",
        "name.lstrip(\".Rabm\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "DQyer2QwiIi6",
        "outputId": "97aad91d-e6d7-4860-b31f-e2f14a50beb1"
      },
      "execution_count": 21,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'ohit Sharma..b.'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 21
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# lstrip\n",
        "\n",
        "name = \" .a..Rohit Sharma..b. \"\n",
        "\n",
        "name.lstrip()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "Ip9dXpPVirXC",
        "outputId": "315c4940-1194-481a-84fc-fd5c46ab541d"
      },
      "execution_count": 24,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'.a..Rohit Sharma..b. '"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 24
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# rstrip\n",
        "\n",
        "name = \".a..Rohit Sharma..b.\"\n",
        "\n",
        "name.rstrip(\".rabm\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "CQERt0xSiWBo",
        "outputId": "a116fd46-9fdc-497d-aa25-cecc5517c91c"
      },
      "execution_count": 22,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'.a..Rohit Sh'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 22
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# rstrip\n",
        "\n",
        "name = \" .a..Rohit Sharma..b. \"\n",
        "\n",
        "name.rstrip()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "mSSI_fA8ilh8",
        "outputId": "279d5a84-7d2c-4c07-980d-136ac1a6e498"
      },
      "execution_count": 23,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "' .a..Rohit Sharma..b.'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 23
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# split\n",
        "\n",
        "message = \"All the best for your GATE 2025 Exams\"\n",
        "\n",
        "message.split()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "y9yWvTmHjKdx",
        "outputId": "03573993-92c9-4acc-e8a5-f8ae6a07d6a7"
      },
      "execution_count": 25,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['All', 'the', 'best', 'for', 'your', 'GATE', '2025', 'Exams']"
            ]
          },
          "metadata": {},
          "execution_count": 25
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# split\n",
        "\n",
        "message = \"Rohit, Virat, Pant, and Surya were the India's best batters\"\n",
        "\n",
        "message.split()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "bc4EH59Cj9uh",
        "outputId": "4f5d70e5-d571-493b-8a86-cbc43dd98027"
      },
      "execution_count": 26,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['Rohit,',\n",
              " 'Virat,',\n",
              " 'Pant,',\n",
              " 'and',\n",
              " 'Surya',\n",
              " 'were',\n",
              " 'the',\n",
              " \"India's\",\n",
              " 'best',\n",
              " 'batters']"
            ]
          },
          "metadata": {},
          "execution_count": 26
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "\n",
        "message = \"Rohit, Virat, Pant, and Surya were the India's best batters\"\n",
        "\n",
        "m = message.split(\"Virat\")\n",
        "for l in m:\n",
        "  print(l)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ts6zx0fmls96",
        "outputId": "41f8c9cc-3854-4c40-ae68-9b403e576aa6"
      },
      "execution_count": 32,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "Rohit, \n",
            ", Pant, and Surya were the India's best batters\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "message = \"Rohit, Virat, Pant, and Surya were the India's best batters\"\n",
        "\n",
        "message.split(', ')"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "6NL5AmDYkNhO",
        "outputId": "0e8fc0a7-1386-406b-da8c-da1639fa7367"
      },
      "execution_count": 28,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['Rohit', 'Virat', 'Pant', \"and Surya were the India's best batters\"]"
            ]
          },
          "metadata": {},
          "execution_count": 28
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "message = \"All the best for your GATE 2025 Exams\"\n",
        "\n",
        "message.split(\" \", maxsplit = 3)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "JZlerwLjlBES",
        "outputId": "0a38af0d-fc55-4e57-82f3-2b0bab806067"
      },
      "execution_count": 33,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['All', 'the', 'best', 'for your GATE 2025 Exams']"
            ]
          },
          "metadata": {},
          "execution_count": 33
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "message = \"All the best for your GATE 2025 Exams\"\n",
        "\n",
        "message.rsplit()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "fs4THZUxmElv",
        "outputId": "3d36b77e-0269-4be0-91bf-dfbbe0163cd3"
      },
      "execution_count": 34,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['All', 'the', 'best', 'for', 'your', 'GATE', '2025', 'Exams']"
            ]
          },
          "metadata": {},
          "execution_count": 34
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "message = \"All the best for your GATE 2025 Exams\"\n",
        "\n",
        "message.rsplit(\" \", maxsplit=2)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "rfiZGle1mZ2f",
        "outputId": "07e19eda-f74f-41a5-ec6c-f36781166b7d"
      },
      "execution_count": 37,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['All the best for your GATE', '2025', 'Exams']"
            ]
          },
          "metadata": {},
          "execution_count": 37
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "message = \"Rohit, Virat, Pant, and Surya were the India's best batters\"\n",
        "\n",
        "m = message.rsplit(\"Virat\")\n",
        "for l in m:\n",
        "  print(l)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "qAvRs1fUmzcQ",
        "outputId": "ec19d5eb-8d2c-413e-9580-793448e0df8a"
      },
      "execution_count": 38,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "Rohit, \n",
            ", Pant, and Surya were the India's best batters\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "message = \"All the best for your GATE 2025 Exams\"\n",
        "print(message.split(maxsplit=2))\n",
        "print(message.rsplit(maxsplit=2))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "1tzWdH6Qm6kM",
        "outputId": "cd940c71-1737-4cec-e612-b91831980498"
      },
      "execution_count": 39,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "['All', 'the', 'best for your GATE 2025 Exams']\n",
            "['All the best for your GATE', '2025', 'Exams']\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "gate_instructors = \"RBR JayBansal Hari Venkatesh\"\n",
        "\n",
        "\"-\".join(gate_instructors)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "otCJla8QnQ-z",
        "outputId": "6ca42375-c04d-40c0-91c5-a0b5a63764ec"
      },
      "execution_count": 40,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'R-B-R- -J-a-y-B-a-n-s-a-l- -H-a-r-i- -V-e-n-k-a-t-e-s-h'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 40
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "match_day = \"India-Pakistan\"\n",
        "\n",
        "\"vs\".join(match_day)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "sxD78WXtpLCO",
        "outputId": "642d0579-a5ff-4940-e608-c048c9a8c2e0"
      },
      "execution_count": 46,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Ivsnvsdvsivsavs-vsPvsavskvsivssvstvsavsn'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 46
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "match_day = \"India-Pakistan\"\n",
        "\n",
        "\"IndiaWin\".join(match_day)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 53
        },
        "id": "ob717xqRpmbX",
        "outputId": "189e2bc3-ec78-4333-f906-08de71319259"
      },
      "execution_count": 48,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'IIndiaWinnIndiaWindIndiaWiniIndiaWinaIndiaWin-IndiaWinPIndiaWinaIndiaWinkIndiaWiniIndiaWinsIndiaWintIndiaWinaIndiaWinn'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 48
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "l = [\"Python\", \"is\", \"going\", \"good\"]\n",
        "s = \"-\".join(l) # Python is going good\n",
        "print(s)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "UvjDDCChni7b",
        "outputId": "337fae0e-5987-4dff-f353-ae99ec5dd190"
      },
      "execution_count": 43,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "Python-is-going-good\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "l = [1,2,3]\n",
        "\" \".join(l)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 162
        },
        "id": "aJlBDiXOoQ37",
        "outputId": "9584ac84-1bc9-4c4c-b643-322cf33d68c4"
      },
      "execution_count": 44,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "sequence item 0: expected str instance, int found",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-44-2af722aa51b6>\u001b[0m in \u001b[0;36m<cell line: 2>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0ml\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0;34m\" \"\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mjoin\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ml\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: sequence item 0: expected str instance, int found"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "l = [1,2,3]\n",
        "\" \".join()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 162
        },
        "id": "0S9Xxc_nofYY",
        "outputId": "bad7e511-3c44-4764-db36-35cdc5e4be4b"
      },
      "execution_count": 45,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "str.join() takes exactly one argument (0 given)",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-45-48af4ecde5aa>\u001b[0m in \u001b[0;36m<cell line: 2>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0ml\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0;34m\" \"\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mjoin\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: str.join() takes exactly one argument (0 given)"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "len(dir(str))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "F7CcTOCJqXnE",
        "outputId": "3fc4d313-1d1f-441f-ea4e-56acf2a006bc"
      },
      "execution_count": 50,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "80"
            ]
          },
          "metadata": {},
          "execution_count": 50
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# replace\n",
        "\n",
        "ind_players = \"Virat, Rohit, Sky, Pant, Dube, Hardik, Jadeja, Bumrah\"\n",
        "\n",
        "ind_players.replace('Dube', \"Rinku\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "pd6KkhRHqjZO",
        "outputId": "adea9da6-f72d-48e7-db2f-f9f40a138ce6"
      },
      "execution_count": 51,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Virat, Rohit, Sky, Pant, Rinku, Hardik, Jadeja, Bumrah'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 51
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "ind_players = \"Virat, Rohit, Sky, Pant, Shivam Dube, Hardik, Jadeja, Bumrah, Shubham Dube\"\n",
        "\n",
        "ind_players.replace('Dube', \"Rinku\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "3GVDwxBkrF4P",
        "outputId": "eff5771e-0aa3-43cd-df3b-808e27dfd1a4"
      },
      "execution_count": 52,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Virat, Rohit, Sky, Pant, Shivam Rinku, Hardik, Jadeja, Bumrah, Shubham Rinku'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 52
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "ind_players = \"Virat, Rohit, Sky, Pant, Dube, Hardik, Jadeja, Bumrah, Dube\"\n",
        "\n",
        "ind_players.replace('Dube', \"XYZ\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "y0SGzBhKrRHM",
        "outputId": "3fed050f-5472-4602-e5a1-ddb716d5b3d1"
      },
      "execution_count": 54,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Virat, Rohit, Sky, Pant, XYZ, Hardik, Jadeja, Bumrah, XYZ'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 54
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "ind_players = \"Virat, Rohit, Sky, Pant, Shivam Dube, Dube, Dube, Dube, Hardik, Jadeja, Bumrah, Shubham Dube\"\n",
        "\n",
        "ind_players.replace('Dube', \"Rinku\", 2)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "pnH03qgxr2jI",
        "outputId": "7c86b507-ac82-4b14-adbb-0b9617dcd674"
      },
      "execution_count": 58,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Virat, Rohit, Sky, Pant, Shivam Rinku, Rinku, Dube, Dube, Hardik, Jadeja, Bumrah, Shubham Dube'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 58
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "ind_players = \"Virat, Rohit, Sky, Pant, Shivam Dube, Dube, Dube, Dube, Hardik, Jadeja, Bumrah, Shubham Dube\"\n",
        "\n",
        "ind_players.replace('a', \"***\", 3)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "dZOuKWNVsa7e",
        "outputId": "68e5d59b-ccba-41da-98ba-28d73046de12"
      },
      "execution_count": 59,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Vir***t, Rohit, Sky, P***nt, Shiv***m Dube, Dube, Dube, Dube, Hardik, Jadeja, Bumrah, Shubham Dube'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 59
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# upper\n",
        "\n",
        "name = \"Venkatesh\"\n",
        "\n",
        "name.upper()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "vHIlbS10sjsH",
        "outputId": "b8277d85-abfd-40f7-b66a-8955cea87f9a"
      },
      "execution_count": 60,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'VENKATESH'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 60
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"venkatesh\"\n",
        "\n",
        "name.upper()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "pInBIcwWssjV",
        "outputId": "230e77c4-e4e8-44a9-e195-8394864f2d11"
      },
      "execution_count": 61,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'VENKATESH'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 61
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"v298enkate@$%sh\"\n",
        "\n",
        "name.upper()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "APVAncqVsuza",
        "outputId": "dbd90df3-4e81-4c70-969c-e5351218bbe9"
      },
      "execution_count": 62,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'V298ENKATE@$%SH'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 62
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# lower\n",
        "name = \"Venkatesh\"\n",
        "\n",
        "name.lower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "zoDbUMT-s2F5",
        "outputId": "51fc6968-c1e8-440d-fe5d-958006247783"
      },
      "execution_count": 63,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'venkatesh'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 63
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# lower\n",
        "name = \"VENKATESH\"\n",
        "\n",
        "name.lower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "MnGnuIBXs8GN",
        "outputId": "a8768061-4bd4-4f96-c57b-c3d3fdb963f0"
      },
      "execution_count": 64,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'venkatesh'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 64
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "stri = \"V298ENKATE@$%SH\"\n",
        "stri.lower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "JMqlRzOMs_-U",
        "outputId": "1309868b-fc0a-4c7f-eff6-73ebe0dbe835"
      },
      "execution_count": 65,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'v298enkate@$%sh'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 65
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"VENKATESH\"\n",
        "\n",
        "name.islower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "0_TdVRDNtHQM",
        "outputId": "65589805-a746-49c4-87a7-e89a14883c47"
      },
      "execution_count": 66,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 66
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"venkatesH\"\n",
        "\n",
        "name.islower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "NBlHPCQktNoM",
        "outputId": "0461574d-ea90-4a62-fd33-8e333adc0675"
      },
      "execution_count": 67,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 67
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"venkatesh\"\n",
        "\n",
        "name.islower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "_LEyx9_mtV7Y",
        "outputId": "f43002b5-7a4b-4486-c45c-af88df7776a1"
      },
      "execution_count": 68,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 68
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"venk0320120%^@atesh\"\n",
        "\n",
        "name.islower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "emn6uKHvtZBr",
        "outputId": "98ccc8a7-5881-46c9-a423-b2da73616c7b"
      },
      "execution_count": 69,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 69
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"venk0320120%^@ateHh\"\n",
        "\n",
        "name.islower()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "QYIqhXxWte-d",
        "outputId": "721ade5e-3ea4-404e-b192-5a6d99f04dfd"
      },
      "execution_count": 70,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 70
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# upper\n",
        "\n",
        "name.isupper()"
      ],
      "metadata": {
        "id": "8hjSiMLQtiLi"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"anushka Sharma\"\n",
        "\n",
        "name.capitalize()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "gZRMkWNjv1Ai",
        "outputId": "17fc631f-f1e5-4e6f-a3c1-dd1261cdd972"
      },
      "execution_count": 71,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Anushka sharma'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 71
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"AnUshkA ShaRma\"\n",
        "\n",
        "name.capitalize()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "WZGt9vOSwCl9",
        "outputId": "5fffc1ca-3582-4bee-e50d-e24ac91c1619"
      },
      "execution_count": 72,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Anushka sharma'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 72
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"2136976$%Lokesh Parab\"\n",
        "\n",
        "name.capitalize()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "gVBy0ACxwKhx",
        "outputId": "8de92ef6-e290-4ccb-9b6c-7a1bd50fae59"
      },
      "execution_count": 73,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'2136976$%lokesh parab'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 73
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"PyThon ProGramming - by VirAt KOHli\"\n",
        "\n",
        "name.swapcase() # lower to upper and upper to lower"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 36
        },
        "id": "Db2irKsjwkYd",
        "outputId": "ada86b2f-01f5-482d-94cd-bc996e6aa6e3"
      },
      "execution_count": 74,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'pYtHON pROgRAMMING - BY vIRaT kohLI'"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 74
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "code = \"Code Red\"\n",
        "\n",
        "code.isalpha()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "YJveTefIw5P-",
        "outputId": "b13d3e54-1286-4f00-f401-8397bfe4fe4d"
      },
      "execution_count": 75,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 75
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "code = \"CodeRed\"\n",
        "\n",
        "code.isalpha()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "-V7SqrpSxGjv",
        "outputId": "4e764a9b-8952-4b2e-e7af-d6cdfee21ec7"
      },
      "execution_count": 76,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 76
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "code = \"Code+Red\"\n",
        "\n",
        "code.isalpha() # a to z or A to Z , if u have spaces, numbers, or other operators then it will return false"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "9D7mxGthxJQP",
        "outputId": "2c48c107-2301-4aa7-a6de-aa7e7f78d525"
      },
      "execution_count": 77,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 77
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "code = \"CodeRed43\"\n",
        "\n",
        "code.isalpha()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "Fgn07xZaxToR",
        "outputId": "f2baaf55-5ad5-48d7-bbd2-23aaab4c49ee"
      },
      "execution_count": 78,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 78
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "cricket_score = \"234\"\n",
        "cricket_score.isnumeric()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "NpsB8VI9xYKW",
        "outputId": "737b44bf-d1c1-4ff7-b293-24d729dc5ee5"
      },
      "execution_count": 80,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 80
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "cricket_score = \"234.0\"\n",
        "cricket_score.isnumeric()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "MvDQAnUCxp3q",
        "outputId": "19367269-5a56-4355-9e51-36942e8e127c"
      },
      "execution_count": 81,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 81
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "cricket_score = \"-2340\"\n",
        "cricket_score.isnumeric()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "R4jfvui_xxvu",
        "outputId": "4bb0ba0a-b83b-40b7-c948-9003b0760010"
      },
      "execution_count": 82,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 82
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "cricket_score = \"\\123\"\n",
        "cricket_score.isnumeric()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "0Ww0zsSzx5I7",
        "outputId": "ba33234b-b2e4-4794-9b37-dae31bbb21e2"
      },
      "execution_count": 83,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 83
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# isalnum\n",
        "\n",
        "s = \"Virat18\"\n",
        "\n",
        "s.isalnum()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "8XF4y1E4yAPx",
        "outputId": "dbf690f6-637a-4bfc-eace-bd0890e1ebe6"
      },
      "execution_count": 85,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 85
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "s = \"Virat scored 183\"\n",
        "\n",
        "s.isalnum()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "dCZcyT63yMbc",
        "outputId": "739114fa-2d4b-40c3-fdeb-e3874fedcd42"
      },
      "execution_count": 86,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 86
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "s = \"PersonAscored-10inExamduetonegativemarking\"\n",
        "\n",
        "s.isalnum()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ZrEMU3W1ySx7",
        "outputId": "47eda84c-c562-4db2-a636-4dd726cb1d84"
      },
      "execution_count": 87,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 87
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# count\n",
        "\n",
        "statement = \"Virat is the best player of our generation and Virat scored 50 centuries in ODI. Virat is 35 years old now.\"\n",
        "\n",
        "statement.count(\"Virat\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "wQylNWRayS1l",
        "outputId": "e50d08f7-ffba-4c82-f622-d6ca20dad270"
      },
      "execution_count": 88,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {},
          "execution_count": 88
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "statement = \"Virat is the best player of our generation and Virat scored 50 centuries in ODI. Virat is 35 years old now.\"\n",
        "\n",
        "statement.count(\"i\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "Xs_jEeIby0mP",
        "outputId": "083dfa78-10ff-4ee8-e60c-90c6add700df"
      },
      "execution_count": 89,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "8"
            ]
          },
          "metadata": {},
          "execution_count": 89
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "statement = \"Virat is the best player of our generation and Virat scored 50 centuries in ODI. Virat is 35 years old now.\"\n",
        "\n",
        "statement.count(\"Virat\", 2, 30)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ALLtYik0y9ph",
        "outputId": "cb70f81b-259d-4426-f7b9-803697b3fe78"
      },
      "execution_count": 90,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0"
            ]
          },
          "metadata": {},
          "execution_count": 90
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "name = \"Virat Kohli\"\n",
        "\n",
        "name.count(\"i\",1,10)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "aM1WEUcxziGt",
        "outputId": "9f6aba50-3eee-4941-dd1a-f1ee9b7112a6"
      },
      "execution_count": 95,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "1"
            ]
          },
          "metadata": {},
          "execution_count": 95
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# find\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.find(\"ho\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "D90uC11uz5yo",
        "outputId": "728f4b98-3c07-4438-b145-dfb7745e97bb"
      },
      "execution_count": 97,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {},
          "execution_count": 97
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# find\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.find(\"oh\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "WWhfrm3x0xbP",
        "outputId": "7d9301e1-5e32-4efd-a4f3-849a5504f419"
      },
      "execution_count": 98,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "-1"
            ]
          },
          "metadata": {},
          "execution_count": 98
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# rfind\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.rfind(\"ho\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "CuZn5bG71AHV",
        "outputId": "b6124434-53ac-4c9b-e595-33388066390f"
      },
      "execution_count": 100,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "19"
            ]
          },
          "metadata": {},
          "execution_count": 100
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# rfind\n",
        "\n",
        "statement = \"Python Course\"\n",
        "print(statement.find(\"ho\"))\n",
        "print(statement.rfind(\"ho\"))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ViyfDln31cys",
        "outputId": "72882f3b-d3ba-4b49-a7ed-eb35d9e11026"
      },
      "execution_count": 101,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "3\n",
            "3\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# rfind\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.rfind(\"oh\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "VRiL2WA31naO",
        "outputId": "df78197f-99e0-44cd-9cd9-0ca99a1dafb2"
      },
      "execution_count": 103,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "-1"
            ]
          },
          "metadata": {},
          "execution_count": 103
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# index\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.index(\"ho\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "VYRgB13y1wRw",
        "outputId": "a6719948-f570-4f5e-d2de-2e9e80d93e6a"
      },
      "execution_count": 104,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {},
          "execution_count": 104
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# index\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.index(\"oh\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 180
        },
        "id": "2eSQ3IzP148F",
        "outputId": "619d5607-bacf-4b95-fa6c-0c24dce2cbda"
      },
      "execution_count": 106,
      "outputs": [
        {
          "output_type": "error",
          "ename": "ValueError",
          "evalue": "substring not found",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-106-9b424f6cfac9>\u001b[0m in \u001b[0;36m<cell line: 5>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      3\u001b[0m \u001b[0mstatement\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m\"Python Course - Python\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 5\u001b[0;31m \u001b[0mstatement\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mindex\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"oh\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m: substring not found"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# rindex\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.rindex(\"ho\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "KrWnLHC010N0",
        "outputId": "8e86cb3d-2eb8-4b69-873c-9a799fe1a052"
      },
      "execution_count": 105,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "19"
            ]
          },
          "metadata": {},
          "execution_count": 105
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# index\n",
        "\n",
        "statement = \"Python Course - Python\"\n",
        "\n",
        "statement.rindex(\"oh\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 180
        },
        "id": "r2zQgLs31_fS",
        "outputId": "f83a1611-96ed-4689-d409-c2991789b391"
      },
      "execution_count": 107,
      "outputs": [
        {
          "output_type": "error",
          "ename": "ValueError",
          "evalue": "substring not found",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-107-ecbeaddd64fd>\u001b[0m in \u001b[0;36m<cell line: 5>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      3\u001b[0m \u001b[0mstatement\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m\"Python Course - Python\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 5\u001b[0;31m \u001b[0mstatement\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrindex\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"oh\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m: substring not found"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# https://www.w3schools.com/python/python_ref_string.asp\n",
        "\n",
        "# https://www.geeksforgeeks.org/python-string-methods/"
      ],
      "metadata": {
        "id": "VFd7qZzF2OCP"
      },
      "execution_count": null,
      "outputs": []
    }
  ]
}