Python Program to Calculate Factorial of a Bigger number

In this post, we will learn about Python Program to calculate Factorial of a Bigger Number.

In this, we will use a while loop to perform the program.

def fact(n):
     f=1
     while n:
         f=f*n
         n-=1
     return f

Output:
>>> fact(12)
479001600
>>> fact(20)
2432902008176640000

Happy Coding!

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