27. While Loop.ipynb

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    "# while loop in python is used to iterate over a block of code as long as the condition is true"
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    "### infinite loop by while"
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   "source": [
    "while True :\n",
    "    print(\"Infinite Loop\")"
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      "6\n",
      "sum value : 1 & the value of i : 2\n",
      "sum value : 3 & the value of i : 3\n",
      "sum value : 6 & the value of i : 4\n",
      "sum value : 10 & the value of i : 5\n",
      "sum value : 15 & the value of i : 6\n",
      "sum value : 21 & the value of i : 7\n",
      "The final sum is : 21\n"
     ]
    }
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   "source": [
    "n = int(input())\n",
    "\n",
    "sum = 0\n",
    "i = 1\n",
    "\n",
    "while i <= n :\n",
    "    sum = sum + i\n",
    "    i += 1\n",
    "    print(\"sum value :\", sum , \"& the value of i :\", i)\n",
    "\n",
    "print(\"The final sum is :\" , sum)"
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     "data": {
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       "21"
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     "execution_count": 12,
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   "source": [
    "1 + 2 + 3 + 4 + 5 + 6"
   ]
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   "cell_type": "markdown",
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   "metadata": {},
   "source": [
    "## HW : using while loop calculate factorial of a number ...."
   ]
  }
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