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Python-Factorial of a Number

**Write a program to compute the factorial of a number entered by the user. **

#Factorial of a number
#Factorial of a number n, is the product of all natural numbers from 1 to n
#So, factorial of 5 (denoted as 5!) is 1 x 2 x 3 x 4 x 5 that is 120
def factorial(n):
f = 1
for i in range(1, n+1):
f = f * i
print ("Factorial = ", f)
#EO Function - end of function. It helps to put this comment at
#the end of a function to know where a function has ended.
#The braces { and } in C, C++, C#, #and Java were useful in that
#sense to identify a block of code.
#Take input and pass to the factorial function
n = int(input("Enter a no. "))
factorial(n) # call the function
#EndOfProgram

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