Python Array.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "980e7082",
   "metadata": {},
   "outputs": [],
   "source": [
    "import array as ar"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "1c3f68d3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [1, 2, 3, 4, 10])"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1 =ar.array('i',[1,2,3,4,10])\n",
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "01a3de0f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array.array"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(ar1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "a2746406",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('f', [1.0, 2.0, 3.0, 4.0, 10.0])"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar2 =ar.array('f',[1,2,3,4,10])\n",
    "ar2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "41893d04",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array.array"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(ar2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "564cfc48",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "fd0ee05d",
   "metadata": {},
   "outputs": [],
   "source": [
    "ar1[0]=13"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "5375361c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [13, 2, 3, 4, 10])"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "952466b4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [3, 4])"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1[2:4]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "ec3bb42f",
   "metadata": {},
   "outputs": [],
   "source": [
    "ar1.append(8)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "c012f4b8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [13, 2, 3, 4, 10, 8])"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "0d02716b",
   "metadata": {},
   "outputs": [],
   "source": [
    "del ar1[-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "540f3c64",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [13, 2, 3, 4, 10])"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "925dd2cf",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(ar1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "84992b86",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [10, 4, 3, 2, 13])"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1.reverse()\n",
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "b0765a29",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1.count(4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "7a302e37",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1.index(13)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "b1f113c6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "13"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1.pop(3) # delete index number"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "a719a440",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [10, 4, 3])"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "90188f6b",
   "metadata": {},
   "outputs": [],
   "source": [
    "ar1.remove(3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "ef3e2eb6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [10, 4])"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ar1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "id": "eb3a52fe",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3\n",
      "12\n",
      "13\n",
      "16\n",
      "16\n"
     ]
    }
   ],
   "source": [
    "r=ar.array('i',[])\n",
    "\n",
    "items= int(input())\n",
    "for i in range(items):\n",
    "    val = int(input())\n",
    "    r.append(val)\n",
    "print(val)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "489c9b9d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array('i', [12, 13, 16])"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "r"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d834f9ba",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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