Assignment

Python Assignment

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   "source": [
    "# 1. To Check Harshad No"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
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     "execution_count": 55,
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   "source": [
    "def isHarshadNumber(n):\n",
    "    sum,to_check = 0,n\n",
    "    while n:\n",
    "        sum += n%10\n",
    "        n = n//10\n",
    "    if to_check % sum == 0:\n",
    "        return True\n",
    "    else:\n",
    "        print (\"That's not a Harshad No, kindly try again !\")\n",
    "\n",
    "isHarshadNumber(81)        "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
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   "source": [
    "<p> --------------------  End  --------------------- </p>"
   ]
  },
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 2. To Print Mixed Case"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 52,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "treehOUSE"
     ]
    }
   ],
   "source": [
    "def mixedcase(input_string):\n",
    "    count = (len(input_string)+1)\n",
    "    pointer = int(count/2)\n",
    "    list = []\n",
    "    for letter in input_string:\n",
    "        list.append(letter)\n",
    "    lower = (list[:pointer])\n",
    "    for l in lower:\n",
    "        print (l.lower(), end='')\n",
    "        \n",
    "    upper = (list[pointer:])\n",
    "    for u in upper:\n",
    "        print (u.upper(), end='')\n",
    "           \n",
    "mixedcase('Treehouse')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<p> --------------------  End  --------------------- </p>"
   ]
  },
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   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
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   "source": [
    "# 3. to Count the number of items"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 75,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Counter({'a': 3, 'b': 2, 'c': 2})\n"
     ]
    }
   ],
   "source": [
    "from collections import Counter\n",
    "\n",
    "my_list = ['a', 'b', 'a', 'c', 'b', 'a', 'c']\n",
    "c = Counter(my_list) \n",
    "print (c)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "<p> --------------------  End  --------------------- </p>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "# 4. List comprehension for solving the equation (Y=X2+1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 137,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[15,\n",
       " 16,\n",
       " 17,\n",
       " 18,\n",
       " 19,\n",
       " 13,\n",
       " 14,\n",
       " 15,\n",
       " 16,\n",
       " 17,\n",
       " 11,\n",
       " 12,\n",
       " 13,\n",
       " 14,\n",
       " 15,\n",
       " 9,\n",
       " 10,\n",
       " 11,\n",
       " 12,\n",
       " 13,\n",
       " 7,\n",
       " 8,\n",
       " 9,\n",
       " 10,\n",
       " 11,\n",
       " 5,\n",
       " 6,\n",
       " 7,\n",
       " 8,\n",
       " 9,\n",
       " 3,\n",
       " 4,\n",
       " 5,\n",
       " 6,\n",
       " 7,\n",
       " 1,\n",
       " 2,\n",
       " 3,\n",
       " 4,\n",
       " 5,\n",
       " -1,\n",
       " 0,\n",
       " 1,\n",
       " 2,\n",
       " 3,\n",
       " -3,\n",
       " -2,\n",
       " -1,\n",
       " 0,\n",
       " 1]"
      ]
     },
     "execution_count": 137,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[y-x*2 for x in range(-5,5) for y in range(5,10)]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "\n",
    "<p> --------------------  End  --------------------- </p>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 5. List that contains only the elements that are common"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 146,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1, 1, 2, 3, 5, 8, 13]\n"
     ]
    }
   ],
   "source": [
    "a = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]\n",
    "b = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]\n",
    "\n",
    "output = []\n",
    "for i in a:\n",
    "    for j in b:\n",
    "        if i==j:\n",
    "            output.append(i)\n",
    "print (output)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "<p> --------------------  End  --------------------- </p>"
   ]
  }
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