factorial .ipynb

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      "The factorial of 7 is 5040\n"
     ]
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   "source": [
    "# Python program to find the factorial of a number provided by the user.\n",
    "\n",
    "# change the value for a different result\n",
    "num = 7\n",
    "\n",
    "# To take input from the user\n",
    "#num = int(input(\"Enter a number: \"))\n",
    "\n",
    "factorial = 1\n",
    "\n",
    "# check if the number is negative, positive or zero\n",
    "if num < 0:\n",
    "   print(\"Sorry, factorial does not exist for negative numbers\")\n",
    "elif num == 0:\n",
    "   print(\"The factorial of 0 is 1\")\n",
    "else:\n",
    "   for i in range(1,num + 1):\n",
    "       factorial = factorial*i\n",
    "   print(\"The factorial of\",num,\"is\",factorial)"
   ]
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