Python program to calculate the factorial of a number

Write a Python function to calculate the factorial of a number (a non-negative integer).

The function accepts the number as an argument.

This program is most for O Level Practical Exam so read it carefully.

Program:

def fact(n):

if n == 0:

return 1

else:

return n * fact(n-1)

n=int(input("Enter a number for compute the factorial : "))

print(fact(n))

Output:

Enter a number for compute the factorial : 4

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