Compare $4$ numbers, return the largest number.

$1.$ Create "lib$1.$py$"(20\%)$ create a function "CompareNumbers$($num$1,$ num$2,$ num$3,$ num$4)"-$ returns the largest number

$2.$ Create "MainNum.py$"-$ import lib$1.$py $(20\%)-$

$4$ inputs for $4$ numbers $(20\%)-$

pass $4$ numbers to function CompareNumbers$($num$1,$ num$2,$ num$3,$ num$4)(20\%)-$

display the largest number with print$()(20\%)$