Saturday, 2 March 2019

Factorial of Number in Python

#Python program to find the factorial of a number provided by the user.
# change the value for a different result
num = 7
# uncomment to take input from the user
#num = int(input("Enter a number: "))
factorial = 1
# check if the number is negative, positive or zero
if num < 0:

print("Sorry, factorial does not exist for negative numbers")
elif num == 0:

print("The factorial of 0 is 1")
else:

for i in range(1,num + 1):
factorial = factorial*i
print("The factorial of",num,"is",factorial)

Output:

The factorial of 7 is 5040

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