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    "# Hello"
   ]
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    "\n",
    "\"\"\"\n",
    "      Python program to demonstrate basic mathematics by evaluation of a quadratic\n",
    "      and print out the value and the square root of the value.\n",
    "\n",
    "\"\"\"\n",
    "\n",
    "#      Add the additional maths functions\n",
    "import math \n",
    "\n",
    "#      Create a main \n",
    "def main():\n",
    "    \n",
    "    #          Create three float variable \n",
    "    a = 4.0\n",
    "    b = -13.5\n",
    "    c = 10.2\n",
    "    \n",
    "    #          Ask for a value from the keyboard\n",
    "    x = float(input(\"Give x value : \"))\n",
    "    \n",
    "    #          Calcualte the quadratic and the square root ising the math.sqrt() function\n",
    "    #          Note you do NOT require brackets.\n",
    "    y = a*x**2 + b*b + c\n",
    "    z = math.sqrt(y)\n",
    "    \n",
    "    #           Print out the results as a string\n",
    "    print(\"Value of quadratic is : \" + str(y) +\" and its sqrt root is : \" + str(z))\n",
    "    \n",
    "\n",
    "# Run the main()\n",
    "\n",
    "main()"
   ]
  }
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