Solve problem "Factorial" online - Learn Python 3 - Snakify



In mathematics, the factorial of an integer \(n\), denoted by \(n!\) is the following product: $$n! = 1 \times 2 \times \ldots \times n$$

For the given integer \(n\) calculate the value \(n!\). Don't use math module in this exercise.

In all the problems input the data using input() and print the result using print().