05. Strings.ipynb

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 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello\n",
      "Hello\n"
     ]
    }
   ],
   "source": [
    "# Printing Strings into Python\n",
    "\n",
    "print(\"Hello\")\n",
    "print('Hello')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'ola'"
      ]
     },
     "execution_count": 1,
     "metadata": {},
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    }
   ],
   "source": [
    "x = \"Chocolate\"\n",
    "x[-5:-2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello\n"
     ]
    }
   ],
   "source": [
    "# Assigning Values to the String\n",
    "\n",
    "a = \"Hello\"\n",
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "e\n"
     ]
    }
   ],
   "source": [
    "# Strings as Arrays\n",
    "\n",
    "a = \"Hello, World!\"\n",
    "print(a[1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "llo\n"
     ]
    }
   ],
   "source": [
    "# Slicing\n",
    "\n",
    "b = \"Hello, World!\"\n",
    "print(b[2:5])\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "orl\n"
     ]
    }
   ],
   "source": [
    "# Negative Indexing\n",
    "\n",
    "b = \"Hello, World!\"\n",
    "print(b[-5:-2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "13\n"
     ]
    }
   ],
   "source": [
    "# String Length\n",
    "\n",
    "a = \"Hello, World! \\\n",
    "kmlmlml\"\n",
    "\n",
    "b = '''kkmkmkm\n",
    "nkjnkjnkjnkj\n",
    "kjjn\n",
    "'''\n",
    "print(len(a))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello, World!\n"
     ]
    }
   ],
   "source": [
    "# Stripping a string\n",
    "\n",
    "a = \" Hello, World! \"\n",
    "print(a.strip())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "hello, world!\n"
     ]
    }
   ],
   "source": [
    "# converting into lowercase\n",
    "\n",
    "a = \"Hello, World!\"\n",
    "print(a.lower())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "HELLO, WORLD!\n"
     ]
    }
   ],
   "source": [
    "# converting into uppercase\n",
    "\n",
    "a = \"Hello, World!\"\n",
    "print(a.upper())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Jello, World!\n"
     ]
    }
   ],
   "source": [
    "# using replace function\n",
    "\n",
    "a = \"Hello, World!\"\n",
    "print(a.replace(\"H\", \"J\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['Hello', ' World!']\n"
     ]
    }
   ],
   "source": [
    "# Splitting a string\n",
    "\n",
    "a = \"Hello, World!\"\n",
    "print(a.split(\",\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "My name is John, I am  36\n"
     ]
    }
   ],
   "source": [
    "# String Formatting\n",
    "\n",
    "age = 36\n",
    "txt = \"My name is John, I am  {}\"\n",
    "print(txt.format(age))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Other Important Functions"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "* capitalize()\tConverts the first character to upper case\n",
    "\n",
    "* casefold()\tConverts string into lower case\n",
    " \n",
    "* center()\tReturns a centered string\n",
    "\n",
    "* count()\tReturns the number of times a specified value occurs in a string\n",
    "\n",
    "* encode()\tReturns an encoded version of the string\n",
    "\n",
    "* endswith()\tReturns true if the string ends with the specified value\n",
    "\n",
    "* expandtabs()\tSets the tab size of the string\n",
    "\n",
    "* find()\tSearches the string for a specified value and returns the position of where it was found\n",
    "* format()\tFormats specified values in a string\n",
    "* format_map()\tFormats specified values in a string\n",
    "* index()\tSearches the string for a specified value and returns the position of where it was found\n",
    "* isalnum()\tReturns True if all characters in the string are alphanumeric\n",
    "* isalpha()\tReturns True if all characters in the string are in the alphabet\n",
    "* isdecimal()\tReturns True if all characters in the string are decimals\n",
    "* isdigit()\tReturns True if all characters in the string are digits\n",
    "* isidentifier()\tReturns True if the string is an identifier\n",
    "* islower()\tReturns True if all characters in the string are lower case\n",
    "* isnumeric()\tReturns True if all characters in the string are numeric\n",
    "* isprintable()\tReturns True if all characters in the string are printable\n",
    "* isspace()\tReturns True if all characters in the string are whitespaces\n",
    "* istitle()\tReturns True if the string follows the rules of a title\n",
    "* isupper()\tReturns True if all characters in the string are upper case\n",
    "* join()\tJoins the elements of an iterable to the end of the string\n",
    "* ljust()\tReturns a left justified version of the string\n",
    "* lower()\tConverts a string into lower case\n",
    "* lstrip()\tReturns a left trim version of the string\n",
    "* maketrans()\tReturns a translation table to be used in translations\n",
    "* partition()\tReturns a tuple where the string is parted into three parts\n",
    "* replace()\tReturns a string where a specified value is replaced with a specified value\n",
    "* rfind()\tSearches the string for a specified value and returns the last position of where it was found\n",
    "* rindex()\tSearches the string for a specified value and returns the last position of where it was found\n",
    "* rjust()\tReturns a right justified version of the string\n",
    "* rpartition()\tReturns a tuple where the string is parted into three parts\n",
    "* rsplit()\tSplits the string at the specified separator, and returns a list\n",
    "* rstrip()\tReturns a right trim version of the string\n",
    "* split()\tSplits the string at the specified separator, and returns a list\n",
    "* splitlines()\tSplits the string at line breaks and returns a list\n",
    "* startswith()\tReturns true if the string starts with the specified value\n",
    "* strip()\tReturns a trimmed version of the string\n",
    "* swapcase()\tSwaps cases, lower case becomes upper case and vice versa\n",
    "* title()\tConverts the first character of each word to upper case\n",
    "* translate()\tReturns a translated string\n",
    "* upper()\tConverts a string into upper case\n",
    "* zfill()\tFills the string with a specified number of 0 values at the beginning"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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