320_While_Loops.ipynb

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    "# While Loops\n",
    "\n",
    "While loops are a lot less common that a `for` loop in Python, but they are still vital to know about. \n",
    "\n",
    "**Be careful!** A while loop will run until you tell it to stop. If you don't tell it to stop, it will run forever. \n",
    "\n",
    "While loops are like `if` statements: they will always look for a True statement. "
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    "num = 100"
   ]
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      "100\n",
      "95\n",
      "90\n",
      "85\n",
      "80\n",
      "75\n",
      "70\n",
      "65\n",
      "60\n",
      "55\n",
      "50\n",
      "45\n",
      "40\n",
      "35\n",
      "30\n",
      "25\n",
      "20\n",
      "15\n",
      "10\n",
      "5\n",
      "0\n"
     ]
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   "source": [
    "while num >= 0:\n",
    "    print(num)\n",
    "    num = num - 5"
   ]
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   "source": [
    "👆Above we opened a loop that will run until the number 100 becomes less than (or equal to) 0, but inside of the loop we told it to reduce the number 100 by 5 on every iteration, so eventually the while loop ends."
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