Programming Assignment 14.ipynb

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   "source": [
    "# 1.Define a class with a generator which can iterate the numbers, which are divisible by 7, between a given range 0 and n."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "9ec91b2d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 7 14 21 28 35 42 49 56 63 70 77 84 91 98 "
     ]
    }
   ],
   "source": [
    "class div_gen:\n",
    "    def __init__(self,in_num):\n",
    "        self.in_num = in_num\n",
    "    def get_numbers(self):\n",
    "        for i in range(0,self.in_num+1):\n",
    "            if i%7 == 0:\n",
    "                yield i\n",
    "output = div_gen(100)\n",
    "for i in output.get_numbers():\n",
    "    print(i,end=' ')"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "83d28c91",
   "metadata": {},
   "source": [
    "# 2.Write a program to compute the frequency of the words from the input. The output should output after sorting the key alphanumerically.\n",
    "Suppose the following input is supplied to the program:\n",
    "New to Python or choosing between Python 2 and Python 3? Read Python 2 or\n",
    "Python 3.\n",
    "Then, the output should be:\n",
    "2:2\n",
    "3.:1\n",
    "3?:1\n",
    "New:1\n",
    "Python:5\n",
    "Read:1\n",
    "and:1\n",
    "between:1\n",
    "choosing:1\n",
    "or:2\n",
    "to:1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "51dbb0fe",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter the Input String: New to Python or choosing between Python 2 and Python 3? Read Python 2 or Python 3.\n",
      "2:2 3.:1 3?:1 New:1 Python:5 Read:1 and:1 between:1 choosing:1 or:2 to:1 "
     ]
    }
   ],
   "source": [
    "def check_frequency():\n",
    "    in_string = input(\"Enter the Input String: \")\n",
    "    frequency = {}\n",
    "    for i in in_string.split(\" \"):\n",
    "        if(frequency.get(i) == None):\n",
    "            frequency[i] = 1\n",
    "        else:\n",
    "            frequency[i]+=1\n",
    "    for i in sorted(frequency):\n",
    "        print(f'{i}:{frequency[i]}',end = ' ')\n",
    "check_frequency()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ef3c312a",
   "metadata": {},
   "source": [
    "# 3.Define a class Person and its two child classes: Male and Female. All classes have a method &quot;getGender&quot; which can print &quot;Male&quot; for Male class and &quot;Female&quot; for Female class."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "c92ad2b4",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Male\n",
      "Female\n"
     ]
    }
   ],
   "source": [
    "class Person():\n",
    "    def getGender():\n",
    "        pass\n",
    "class Male(Person):\n",
    "    def getGender():\n",
    "        print(\"Male\")\n",
    "class Female(Person):\n",
    "    def getGender():\n",
    "        print(\"Female\")\n",
    "        \n",
    "Male.getGender()\n",
    "Female.getGender()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "042ec469",
   "metadata": {},
   "source": [
    "# 4.Please write a program to generate all sentences where subject is in [&quot;I&quot;, &quot;You&quot;] and verb is in [&quot;Play&quot;, &quot;Love&quot;] and the object is in [&quot;Hockey&quot;,&quot;Football&quot;]."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "f30e2dd2",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "I Play Hockey\n",
      "I Play Football\n",
      "I Love Hockey\n",
      "I Love Football\n",
      "You Play Hockey\n",
      "You Play Football\n",
      "You Love Hockey\n",
      "You Love Football\n"
     ]
    }
   ],
   "source": [
    "def generateSentences():\n",
    "    subject = ['I','You']\n",
    "    verb = ['Play','Love']\n",
    "    object = ['Hockey','Football']\n",
    "    for s in subject:\n",
    "        for v in verb:\n",
    "            for o in object:\n",
    "                print(f'{s} {v} {o}')\n",
    "\n",
    "generateSentences()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "09b8ade4",
   "metadata": {},
   "source": [
    "# 5.Please write a program to compress and decompress the string &quot;hello world!hello world!hello world!hello world!&quot;."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "a42762e3",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b'\\x1f\\x8b\\x08\\x00\\xce\\x8e\\xdfb\\x02\\xff\\xcbH\\xcd\\xc9\\xc9W(\\xcf/\\xcaIQ\\xcc \\x82\\r\\x00\\xd3\\xe6\\xcf\\xae0\\x00\\x00\\x00'\n",
      "b'hello world!hello world!hello world!hello world!'\n"
     ]
    }
   ],
   "source": [
    "import gzip\n",
    "s = b'hello world!hello world!hello world!hello world!'\n",
    "s = gzip.compress(s)\n",
    "print(s)\n",
    "  \n",
    "t = gzip.decompress(s)\n",
    "print(t)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a417c4e3",
   "metadata": {},
   "source": [
    "# 6.Please write a binary search function which searches an item in a sorted list. The function should return the index of element to be searched in the list."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "2db21c71",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "First occurrence of 4 is present at 2\n"
     ]
    }
   ],
   "source": [
    "from bisect import bisect_left\n",
    " \n",
    "def BinarySearch(a, x):\n",
    "    i = bisect_left(a, x)\n",
    "    if i != len(a) and a[i] == x:\n",
    "        return i\n",
    "    else:\n",
    "        return -1\n",
    " \n",
    "a  = [1, 2, 4, 4, 8]\n",
    "x = int(4)\n",
    "res = BinarySearch(a, x)\n",
    "if res == -1:\n",
    "    print(x, \"is absent\")\n",
    "else:\n",
    "    print(\"First occurrence of\", x, \"is present at\", res)"
   ]
  }
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