ineuron python test-3.ipynb

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 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Write a Python Program to implement your own myreduce() function which works exactly like Python's built-in function reduce()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "the sum of two numbers is 47\n"
     ]
    }
   ],
   "source": [
    "sum1=0\n",
    "def myreduce(i):\n",
    "    for x in i:\n",
    "        global sum1\n",
    "        sum1=sum1+x\n",
    "        return sum1\n",
    "ans=myreduce([47,11,42,13])\n",
    "print(\"The sum of two numbers is \"\"{}\".format(ans))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "47"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ans"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 1.2 Write a Python program to implement your own myfilter() function which works exactlylike Python's built-in function filter()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The list of filtered values ['a', 'b', 'd', 'u', 'k', 'a', 'a']\n"
     ]
    }
   ],
   "source": [
    "a=[]\n",
    "def myfilter1(name):\n",
    "    for i in name:\n",
    "        if i in \"abduka\":\n",
    "            a.append(i)\n",
    "        else:\n",
    "            pass\n",
    "myfilter1(\"abdul kalam\")\n",
    "print(\"The list of filtered values\",a)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Implement List comprehensions to produce the following lists.\n",
    "Write List comprehensions to produce the following Lists\n",
    "['A', 'C', 'A', 'D', 'G', 'I', ’L’, ‘ D’]\n",
    "['x', 'xx', 'xxx', 'xxxx', 'y', 'yy', 'yyy', 'yyyy', 'z', 'zz', 'zzz', 'zzzz']\n",
    "['x', 'y', 'z', 'xx', 'yy', 'zz', 'xxx', 'yyy', 'zzz', 'xxxx', 'yyyy', 'zzzz']\n",
    "[[2], [3], [4], [3], [4], [5], [4], [5], [6]] [[2, 3, 4, 5], [3, 4, 5, 6],\n",
    "[4, 5, 6, 7], [5, 6, 7, 8]]\n",
    "[(1, 1), (2, 1), (3, 1), (1, 2), (2, 2), (3, 2), (1, 3), (2, 3), (3, 3)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['A', 'C', 'A', 'D', 'G', 'I', 'L', 'D']"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x1=\"ACADGILD\"\n",
    "[x for x in x1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "x2=[\"x\",\"y\",\"z\"]\n",
    "ans=[x*y for y in x2 for x in range(1,5)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['x', 'xx', 'xxx', 'xxxx', 'y', 'yy', 'yyy', 'yyyy', 'z', 'zz', 'zzz', 'zzzz']"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ans"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[[2], [3], [4], [3], [4], [5], [4], [5], [6]]"
      ]
     },
     "execution_count": 93,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3=[2,3,4,5]\n",
    "ans1=[[x+y] for x in range(2,5) for y in range(3)]\n",
    "ans1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[[2, 3, 4, 5], [3, 4, 5, 6], [4, 5, 6, 7], [5, 6, 7, 8]]"
      ]
     },
     "execution_count": 89,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ans2=[[x+y for x in range(2,6)] for y in range(4)]\n",
    "ans2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 96,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[(1, 1), (2, 1), (3, 1), (1, 2), (2, 2), (3, 2), (1, 3), (2, 3), (3, 3)]"
      ]
     },
     "execution_count": 96,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ans2=[(y,x) for x in range(1,4) for y in range(1,4)]\n",
    "ans2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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