Sec V Video 38 List Comprehensions.ipynb

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   "execution_count": 10,
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   "source": [
    "# Writing one liner codes\n",
    "\n",
    "# Making a 'list' of every character\n",
    "\n",
    "strings = 'Hallo Dev'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "new_string = [letter for letter in strings]"
   ]
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  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['H', 'a', 'l', 'l', 'o', ' ', 'D', 'e', 'v']"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "new_string"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['s', 'u', 'n', 'd', 'a', 'y']"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "# Flattened 'for loop'\n",
    "\n",
    "[day for day in 'sunday']"
   ]
  },
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   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
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     "data": {
      "text/plain": [
       "[1, 3, 5, 7, 9, 11]"
      ]
     },
     "execution_count": 40,
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   "source": [
    "# flattened 'for loop' in range\n",
    "\n",
    "[nums for nums in range(1,12,2)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0, 2, 4, 6, 8, 10]"
      ]
     },
     "execution_count": 42,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "# even numbers\n",
    "\n",
    "[even for even in range(0,11) if even%2 ==0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 56,
   "metadata": {},
   "outputs": [
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     "data": {
      "text/plain": [
       "[0, 4, 16, 36, 64, 100]"
      ]
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     "execution_count": 56,
     "metadata": {},
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   ],
   "source": [
    "# Sqrt of only even numbers\n",
    "\n",
    "[sqrt **2 for sqrt in range(0,11) if sqrt%2 == 0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1, 9, 25, 49, 81]"
      ]
     },
     "execution_count": 59,
     "metadata": {},
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   ],
   "source": [
    "# sqrt of only odd numbers\n",
    "\n",
    "[sqrt ** 2 for sqrt in range(0,11) if sqrt%2 !=0]"
   ]
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   "cell_type": "code",
   "execution_count": 61,
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   "outputs": [
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     "data": {
      "text/plain": [
       "[0,\n",
       " 'Not an even no',\n",
       " 2,\n",
       " 'Not an even no',\n",
       " 4,\n",
       " 'Not an even no',\n",
       " 6,\n",
       " 'Not an even no',\n",
       " 8,\n",
       " 'Not an even no',\n",
       " 10]"
      ]
     },
     "execution_count": 61,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# If , Else in One liner codes\n",
    "\n",
    "[nums if nums%2==0 else 'Not an even no' for nums in range(0,11)]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Nested Loops\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 65,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[20, 40, 60, 40, 80, 120, 6000, 12000, 18000]"
      ]
     },
     "execution_count": 65,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Multiplying 2 sets with all numbers\n",
    "\n",
    "[a*b for a in [10,20,3000] for b in [2,4,6]]"
   ]
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   "cell_type": "code",
   "execution_count": 50,
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   "source": []
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   "execution_count": null,
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