Added Notebook file :Assignment 3 from iNeuron AI

Author: VeeraMandadi

Assignment3_BatchAug29.ipynb

@@ -0,0 +1,217 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "1.1 Write a Python Program to implement your own myreduce() function which works exactly\n",
+    "like Python's built-in function reduce()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "15\n"
+     ]
+    }
+   ],
+   "source": [
+    "def do_sum(x, y): \n",
+    "    return x + y\n",
+    "\n",
+    "def myreduce(func, seq):\n",
+    "    first = seq[0]\n",
+    "    for i in seq[1:]:\n",
+    "        first = func(first, i)\n",
+    "    return first\n",
+    "\n",
+    "mylist=[1,2,3,4,5]\n",
+    "print(myreduce(do_sum, mylist))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "1.2 Write a Python program to implement your own myfilter() function which works exactly\n",
+    "like Python's built-in function filter()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2, 4, 6, 8]\n"
+     ]
+    }
+   ],
+   "source": [
+    "mylist=[1,2,3,4,5,6,7,8]\n",
+    "evenlist=[]\n",
+    "\n",
+    "def is_even(x):\n",
+    "    if x % 2 == 0:\n",
+    "        return True\n",
+    "    else:\n",
+    "        return False\n",
+    "        \n",
+    "\n",
+    "def myfilter(fun,mylist):\n",
+    "    for i in mylist:\n",
+    "        a=fun(i)\n",
+    "        if a==True:\n",
+    "            evenlist.append(i)\n",
+    "    return evenlist\n",
+    "\n",
+    "\n",
+    "print(myfilter(is_even, mylist))\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "raw",
+   "metadata": {},
+   "source": [
+    "2. Implement List comprehensions to produce the following lists.\n",
+    "Write List comprehensions to produce the following Lists\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]] \n",
+    "[[2, 3, 4, 5], [3, 4, 5, 6],[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": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['x', 'xx', 'xxx', 'xxxx', 'y', 'yy', 'yyy', 'yyyy', 'z', 'zz', 'zzz', 'zzzz']"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[i*j for i in ('x','y','z') for j in range(1,5)]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['x', 'y', 'z', 'xx', 'yy', 'zz', 'xxx', 'yyy', 'zzz', 'xxxx', 'yyyy', 'zzzz']"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[ i*j for i in range(1,5) for j in ('x','y','z') ] "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[[2], [3], [4], [3], [4], [5], [4], [5], [6]]"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[[j] for i in range(0,3) for j in range(2+i,5+i)] "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[[2, 3, 4, 5], [3, 4, 5, 6], [4, 5, 6, 7], [5, 6, 7, 8]]"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[[i for i in range(2+j,6+j)] for j in range(0,4)]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "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": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[(j,i) for i in range(1,4) for j in range(1,4)]"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}