python factorial program using recursion
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in this tutorial, we will explore how to write a python program to calculate the factorial of a number using recursion. factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. the factorial of 0 is defined as 1.
recursion is a programming concept where a function calls itself in its own definition. in the context of calculating factorial, the recursive definition is as follows:
n!=n×(n−1)!
this definition breaks down the problem of calculating the factorial of n into the problem of calculating the factorial of n-1. this process continues until we reach the base case, where the factorial of 0 is 1.
now, let's write a python program to calculate the factorial of a number using recursion.
this program demonstrates the use of recursion to calculate the factorial of a given non-negative integer in python.
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