Write a function factorial (n) that recursively calculates and returns n! n! = 1 * 2 * 3 .... (n-2) * (n-1) * n The mathematical function of the faculty function f (n) is as follows:         1                   n=0 f(n)           n*f(n-1).    n>0  The function must be recursively implemented to be correct. Your function should not take any inputs nor make any prints it solves the function while. number = int (input ()) print (factorial (number))

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