Splitting,_Concatenating,_and_Joining_Strings_in_Python.ipynb

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  "metadata": {
    "colab": {
      "name": "Splitting, Concatenating, and Joining Strings in Python",
      "provenance": []
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "yCK2XQpAfzqs",
        "colab_type": "text"
      },
      "source": [
        "**Working with Strings**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "gfi8zgAOSYkH",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 1000
        },
        "outputId": "ce39ef80-d9cc-4c92-aaff-4e0b41d3c026"
      },
      "source": [
        "# Splitting, Concatenating, and Joining Strings in Python\n",
        "# Check string attributes\n",
        "dir(str)"
      ],
      "execution_count": 1,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['__add__',\n",
              " '__class__',\n",
              " '__contains__',\n",
              " '__delattr__',\n",
              " '__dir__',\n",
              " '__doc__',\n",
              " '__eq__',\n",
              " '__format__',\n",
              " '__ge__',\n",
              " '__getattribute__',\n",
              " '__getitem__',\n",
              " '__getnewargs__',\n",
              " '__gt__',\n",
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              " '__init__',\n",
              " '__init_subclass__',\n",
              " '__iter__',\n",
              " '__le__',\n",
              " '__len__',\n",
              " '__lt__',\n",
              " '__mod__',\n",
              " '__mul__',\n",
              " '__ne__',\n",
              " '__new__',\n",
              " '__reduce__',\n",
              " '__reduce_ex__',\n",
              " '__repr__',\n",
              " '__rmod__',\n",
              " '__rmul__',\n",
              " '__setattr__',\n",
              " '__sizeof__',\n",
              " '__str__',\n",
              " '__subclasshook__',\n",
              " 'capitalize',\n",
              " 'casefold',\n",
              " 'center',\n",
              " 'count',\n",
              " 'encode',\n",
              " 'endswith',\n",
              " 'expandtabs',\n",
              " 'find',\n",
              " 'format',\n",
              " 'format_map',\n",
              " 'index',\n",
              " 'isalnum',\n",
              " 'isalpha',\n",
              " 'isdecimal',\n",
              " 'isdigit',\n",
              " 'isidentifier',\n",
              " 'islower',\n",
              " 'isnumeric',\n",
              " 'isprintable',\n",
              " 'isspace',\n",
              " 'istitle',\n",
              " 'isupper',\n",
              " 'join',\n",
              " 'ljust',\n",
              " 'lower',\n",
              " 'lstrip',\n",
              " 'maketrans',\n",
              " 'partition',\n",
              " 'replace',\n",
              " 'rfind',\n",
              " 'rindex',\n",
              " 'rjust',\n",
              " 'rpartition',\n",
              " 'rsplit',\n",
              " 'rstrip',\n",
              " 'split',\n",
              " 'splitlines',\n",
              " 'startswith',\n",
              " 'strip',\n",
              " 'swapcase',\n",
              " 'title',\n",
              " 'translate',\n",
              " 'upper',\n",
              " 'zfill']"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 1
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "RNHAqxFJfvWc",
        "colab_type": "text"
      },
      "source": [
        "**Methods & Slicing**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "QCsNMHKaSdpk",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "cedcd2ca-c507-4441-ed57-1d35be068434"
      },
      "source": [
        "# Capitalizing text\n",
        "text = 'Practice working with strings'\n",
        "text.upper()"
      ],
      "execution_count": 7,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'PRACTICE WORKING WITH STRINGS'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 7
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "4ImP8-WMbHwZ",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "03478f50-1c43-4c71-87f2-ae9ec91f3b6d"
      },
      "source": [
        "'Practice working with strings'.upper()"
      ],
      "execution_count": 8,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'PRACTICE WORKING WITH STRINGS'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 8
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "2DSN5p44asco",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "685977c8-77b1-426d-9a63-943ae3f828a6"
      },
      "source": [
        "# Slice strings\n",
        "text[2:10]"
      ],
      "execution_count": 10,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'actice w'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 10
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "XMd_ewd_fq_X",
        "colab_type": "text"
      },
      "source": [
        "**Splitting Strings**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "5oWZaycxbUgx",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "494668d4-c84e-456b-8e59-cdda3bbf9cee"
      },
      "source": [
        "# Creates substrings using split\n",
        "# Split on spaces\n",
        "'Python is awesome'.split()\n"
      ],
      "execution_count": 11,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['Python', 'is', 'awesome']"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 11
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "yrXM4P2LcPyq",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "2c6c348c-0508-4e72-9f2e-5fc1400ba0df"
      },
      "source": [
        "# Split on letter e - notice separator is excluded from result\n",
        "'Python is awesome'.split('e')"
      ],
      "execution_count": 13,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['Python is aw', 'som', '']"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 13
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "K305-IYzcTEZ",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "9571eeae-b509-4477-f612-1a5d993b550d"
      },
      "source": [
        "# Count number of words in split\n",
        "len('Python is awesome'.split())"
      ],
      "execution_count": 14,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 14
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "jFVeMEQscfvx",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "7208e06c-2a92-4b52-a2d8-bdfacca54e55"
      },
      "source": [
        "# Set maximum number of substrings to create\n",
        "# Create 2 substrings by limiting to 1 split\n",
        "'Python is awesome'.split(maxsplit=1)"
      ],
      "execution_count": 15,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['Python', 'is awesome']"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 15
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "OLHwQNlcdCBp",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "8c3e13bb-8a07-4d00-fc20-9d9d58b2e296"
      },
      "source": [
        "# Split on comma with a maximum of 1 split\n",
        "sample_text = '1200 West 7th Street, Los Angeles, CA 90012'\n",
        "sample_text.split(',', maxsplit=1)"
      ],
      "execution_count": 16,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "['1200 West 7th Street', ' Los Angeles, CA 90012']"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 16
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "xrfC64FHf32V",
        "colab_type": "text"
      },
      "source": [
        "**Joining Strings**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "0WfzOgPudhuS",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "426ca688-e0c7-4682-8a71-ca6955d950a3"
      },
      "source": [
        "# Combine String Literals - must be the same data type\n",
        "'Hello' + 'World'"
      ],
      "execution_count": 17,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'HelloWorld'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 17
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "5b6hF-1ugNRh",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 162
        },
        "outputId": "ce5d1880-5941-4733-aa12-e27d7ae2cbb1"
      },
      "source": [
        "# Error!\n",
        "'Hello' + 5"
      ],
      "execution_count": 18,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "ignored",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-18-19b63191a299>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;34m'Hello'\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0;36m5\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: must be str, not int"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "uYng9CDKgZ3D",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "919d0e3b-9894-422d-e9a0-3905ee24455c"
      },
      "source": [
        "# Joining Strings\n",
        "# .join() joins iterable using preceding string\n",
        "'!'.join(text)"
      ],
      "execution_count": 21,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'P!r!a!c!t!i!c!e! !w!o!r!k!i!n!g! !w!i!t!h! !s!t!r!i!n!g!s'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 21
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "AAadW2Vwgy4T",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "3e68446e-edda-4020-f1b4-8c15d239f804"
      },
      "source": [
        "'abc'.join(text)"
      ],
      "execution_count": 24,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Pabcrabcaabccabctabciabccabceabc abcwabcoabcrabckabciabcnabcgabc abcwabciabctabchabc abcsabctabcrabciabcnabcgabcs'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 24
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Vj_jNKI6hRPD",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 34
        },
        "outputId": "302a8bba-e621-4252-f640-213f4d8d90de"
      },
      "source": [
        "'abc'.join('Python')"
      ],
      "execution_count": 25,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'Pabcyabctabchabcoabcn'"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 25
        }
      ]
    }
  ]
}