Dictionary.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "# d = {<key>:<Value>,<key>:<Value>,<key>:<Value>}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Ball'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d = {\"A\":\"Apple\",\"B\":\"Ball\"}\n",
    "d[\"B\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Mutable\n",
    "# indexed\n",
    "# ordered\n",
    "# Duplicate"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'A': 'Apple', 'B': 'Ball'}"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d = {}\n",
    "d['A'] = \"Apple\"\n",
    "d['B'] = \"Ball\"\n",
    "d"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'A': 'Ant', 'B': 'Ball'}"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d[\"A\"] = \"Ant\"\n",
    "d"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{0: 'Apple', 1: 'Ball'}"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d = {}\n",
    "d[0] = \"Apple\"\n",
    "d[1] = \"Ball\"\n",
    "d"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Ball'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d[1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter name = Ram\n",
      "Enter phone = 98789789\n",
      "Enter name = Shyam\n",
      "Enter phone = 89798789789\n",
      "{'Ram': 98789789, 'Shyam': 89798789789}\n"
     ]
    }
   ],
   "source": [
    "info = {}\n",
    "for i in range(2):\n",
    "    name = input(\"Enter name = \")\n",
    "    phone = int(input(\"Enter phone = \"))\n",
    "    info[name] = phone\n",
    "print(info)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'a': 'Apple', 'c': 'Cat', 'b': 'Ball'}\n"
     ]
    }
   ],
   "source": [
    "a = {\"a\":\"Apple\",\"c\":\"Cat\"}\n",
    "b = {\"b\":\"Ball\"}\n",
    "a.update(b)\n",
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a\n",
      "c\n",
      "b\n"
     ]
    }
   ],
   "source": [
    "for i in a:\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Apple\n",
      "Cat\n",
      "Ball\n"
     ]
    }
   ],
   "source": [
    "for i in a.values():\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "('a', 'Apple')\n",
      "('c', 'Cat')\n",
      "('b', 'Ball')\n"
     ]
    }
   ],
   "source": [
    "for i in a.items():\n",
    "    print(i)        #It returns a tuple of keys and values"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{}"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# update clear del pop\n",
    "a = {'a': 'Apple', 'c': 'Cat', 'b': 'Ball'}\n",
    "a.clear()\n",
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'c': 'Cat', 'b': 'Ball'}"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a = {'a': 'Apple', 'c': 'Cat', 'b': 'Ball'}\n",
    "# del a['a']\n",
    "a.pop('a')\n",
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter name = ram\n",
      "Enter ncell phone = 984125365\n",
      "Enter ntc phone = 984511545\n",
      "Enter name = shyam\n",
      "Enter ncell phone = 981523546\n",
      "Enter ntc phone = 9841568589\n",
      "{'ram': (984125365, 984511545), 'shyam': (981523546, 9841568589)}\n"
     ]
    }
   ],
   "source": [
    "info = {}\n",
    "for i in range(2):\n",
    "    name = input(\"Enter name = \")\n",
    "    ncell_phone = int(input(\"Enter ncell phone = \"))\n",
    "    ntc_phone = int(input(\"Enter ntc phone = \"))\n",
    "    info[name] = (ncell_phone,ntc_phone)\n",
    "print(info)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter name = Ram\n",
      "[9843556554, 9808445443]\n"
     ]
    }
   ],
   "source": [
    "name = input(\"Enter name = \")\n",
    "print(info[name])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'Ram': [9843556554], 'Shyam': [9808556543, 9845443443]}"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d = {'Ram': [9843556554, 9808445443], 'Shyam': [9808556543, 9845443443]}\n",
    "del d[\"Ram\"][1]\n",
    "d"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'Ram': (9843556554, 9808445443), 'Shyam': [9808556543, 9845443443]}\n",
      "(9843556554, 9808445443, 985412724)\n"
     ]
    }
   ],
   "source": [
    "d = {'Ram': (9843556554, 9808445443), 'Shyam': [9808556543, 9845443443]}\n",
    "e=d['Ram']+(985412724,)\n",
    "print(d)\n",
    "print(e)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'Ram': [9843556554, 9808445443, 4456554], 'Shyam': [9808556543, 9845443443]}"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d = {'Ram': [9843556554, 9808445443], 'Shyam': [9808556543, 9845443443]}\n",
    "d[\"Ram\"].append(4456554)\n",
    "d\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "('a', 'Apple')\n",
      "('b', 'Ball')\n"
     ]
    }
   ],
   "source": [
    "b = {}\n",
    "a= {\"a\":\"Apple\",\"b\":\"Ball\"}\n",
    "for i in a.items():\n",
    "    key = i[0].upper()\n",
    "    value = i[1]\n",
    "    b[key]= value\n",
    "b\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Apple'"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b = {}\n",
    "a= {\"a\":\"Apple\",\"b\":\"Ball\"}\n",
    "\n",
    "a.pop(\"a\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'b': 'Ball'}"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {},
   "outputs": [],
   "source": [
    "b = {\"A\":\"Apple\"}\n",
    "a.update(b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'b': 'Ball', 'A': 'Apple'}"
      ]
     },
     "execution_count": 48,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'a': 'Apple'}"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b = {}\n",
    "a= {\"a\":\"Apple\",\"b\":\"Ball\"}\n",
    "for i in a.items():\n",
    "    key = i[0]\n",
    "    if key == \"a\":\n",
    "        value = i[1]\n",
    "        b[key]= value\n",
    "b\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'a': 'Apple'}"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b={}\n",
    "a= {\"a\":\"Apple\",\"b\":\"Ball\"}\n",
    "for i in a.items():\n",
    "        if i[0]=='a':\n",
    "            b[i[0]]=i[1]\n",
    "b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'a': 'Apple', 'b': 'Ball'}"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b={}\n",
    "a= {\"a\":\"Apple\",\"b\":\"Ball\"}\n",
    "for i in a.items():\n",
    "            b[i[0]]=i[1]\n",
    "b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "('a', 'Apple')\n",
      "('b', 'Ball')\n",
      "[['A', 'Apple'], ['b', 'Ball']]\n"
     ]
    }
   ],
   "source": [
    "b = []\n",
    "a= {\"a\":\"Apple\",\"b\":\"Ball\"}\n",
    "for i in a.items():\n",
    "    print(i)\n",
    "    if i[0] == 'a':\n",
    "        x = list(i)\n",
    "        x[0] = \"A\"\n",
    "        b.append(x)\n",
    "    else:\n",
    "        b.append(list(i))\n",
    "print(b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[['A', 'Apple'], ['b', 'Ball']]"
      ]
     },
     "execution_count": 79,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'A': 'Apple', 'b': 'Ball'}\n"
     ]
    }
   ],
   "source": [
    "z = {}\n",
    "for i in b:\n",
    "    key = i[0]\n",
    "    value = i[1]\n",
    "    z[key] = value\n",
    "    \n",
    "print(z)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[{'Ram': 9867665654}, {'Shyam': 9867665654}]"
      ]
     },
     "execution_count": 82,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# dic inside list\n",
    "a = [{\"Ram\":9867665654},{\"Shyam\":9867665654}]\n",
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'Ram': 9867665654}"
      ]
     },
     "execution_count": 83,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 84,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[{'Ram': 9867665654}, {'Shyam': 9867665654}, {'Hari': 9856554543}]"
      ]
     },
     "execution_count": 84,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.append({\"Hari\":9856554543})\n",
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter n = 2\n",
      "Enter name = Ram\n",
      "Enter phone = 9878887654\n",
      "Enter name = Shyam\n",
      "Enter phone = 9867665654\n",
      "[{'Ram': '9878887654'}, {'Shyam': '9867665654'}]\n"
     ]
    }
   ],
   "source": [
    "z = []\n",
    "n = int(input(\"Enter n = \"))\n",
    "for i in range(n):\n",
    "    name = input(\"Enter name = \")\n",
    "    phone = input(\"Enter phone = \")\n",
    "    d = {name:phone}\n",
    "    z.append(d)\n",
    "print(z)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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