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Write a Python function to calculate the factorial of a number (a non-negative integer). The function accepts the number as an argument
Q:

Write a Python function to calculate the factorial of a number (a non-negative integer). The function accepts the number as an argument

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Write a Python function to calculate the factorial of a number (a non-negative integer). The function accepts the number as an argument. 

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factorial of a number is the result of multiplication of the number by all its precedures numbers

example: factorial of 5=5*4*3*2*1=120

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def factorial(n):
    if n == 0:
        return 1
    else:
        return n * factorial(n-1)
n=int(input("Input a number to compute the factiorial : "))
print(factorial(n))

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