String.ipynb

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      "name": "String.ipynb",
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      "authorship_tag": "ABX9TyOkPvnRaB0f0Co2+ynqqMFO",
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      "name": "python3",
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      "cell_type": "markdown",
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        "id": "view-in-github",
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        "<a href=\"https://colab.research.google.com/github/stemgene/Python-Diary/blob/master/String.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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      },
      "source": [
        "s = \"Hello World\"\n",
        "max(s)"
      ],
      "execution_count": 14,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'r'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 14
        }
      ]
    },
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        "outputId": "b997a269-033a-4c57-dcca-0ca949f85c3a"
      },
      "source": [
        "'lo' in s"
      ],
      "execution_count": 3,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 3
        }
      ]
    },
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      "source": [
        "s.count('l')"
      ],
      "execution_count": 5,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 5
        }
      ]
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    {
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        "outputId": "1c64648b-fc02-4d23-a28a-cbdad870b1d6"
      },
      "source": [
        "\"World  \".center(1)"
      ],
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'World  '"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 6
        }
      ]
    },
    {
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        "outputId": "977624fd-6e62-46f7-86e2-064091838363"
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      "source": [
        "s.isspace()"
      ],
      "execution_count": 7,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 7
        }
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    },
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        "outputId": "878b3995-82a6-4846-b8c4-13026b54bdfb"
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      "source": [
        "\"World  \".strip()"
      ],
      "execution_count": 8,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'World'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 8
        }
      ]
    },
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        "outputId": "5513c9be-7cb9-4eec-f864-988f65580785"
      },
      "source": [
        "s.index(\"o\", 5,-1)"
      ],
      "execution_count": 9,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "7"
            ]
          },
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          "execution_count": 9
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        "outputId": "2325e57d-5d4b-4d67-9b8c-703aab407826"
      },
      "source": [
        "s.find('a')"
      ],
      "execution_count": 10,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "-1"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 10
        }
      ]
    },
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        "outputId": "fe4a7d05-50d7-46ec-8e86-cb34bb48387c"
      },
      "source": [
        "s.index('a')"
      ],
      "execution_count": 11,
      "outputs": [
        {
          "output_type": "error",
          "ename": "ValueError",
          "evalue": "ignored",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-11-952ebce299e3>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0ms\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mindex\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'a'\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"
          ]
        }
      ]
    },
    {
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        "outputId": "ef75029b-1579-4ae8-dc2f-5fe8fce8da3b"
      },
      "source": [
        "s.replace(\"l\", 'a', 2)"
      ],
      "execution_count": 4,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Heaao World'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 4
        }
      ]
    },
    {
      "cell_type": "code",
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        "id": "AiG_gMincQox",
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        "outputId": "eb50f487-f6fd-4d26-e564-1e6c4dec48ea"
      },
      "source": [
        "s.split(\"l\",1)"
      ],
      "execution_count": 9,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['He', 'lo World']"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 9
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "n2yh6M70nJMe",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "2\n",
        "Hacker\n",
        "Rank"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
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        "outputId": "29123c47-efe4-4de0-8b19-b46feb9c8fb8"
      },
      "source": [
        "s1 = \"Hacker\"\n",
        "s1[::2]"
      ],
      "execution_count": 15,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Hce'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 15
        }
      ]
    },
    {
      "cell_type": "code",
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        "outputId": "2abe5f95-5019-45e1-a05b-2389655a2092"
      },
      "source": [
        "s1[1::2]"
      ],
      "execution_count": 11,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'akr'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 11
        }
      ]
    },
    {
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        "outputId": "c5d4ab40-862c-449f-b93a-a0b042e1f53a"
      },
      "source": [
        "\"Alice\" \"Bob\""
      ],
      "execution_count": 16,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'AliceBob'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 16
        }
      ]
    }
  ]
}