Python Recursion Tutorial: Calculating Factorials using Recursive Functions-Day #09

#100daypythonproblemsolving
In this Python tutorial, we explore the concept of recursion through an example of calculating factorials using a recursive function. Factorials are essential mathematical operations commonly encountered in programming and mathematics. By following this tutorial, you'll learn how recursive functions work and how they can elegantly solve complex problems by breaking them down into smaller, more manageable sub-problems.

In this tutorial, we dive into the provided Python code that employs a recursive function to calculate the factorial of a given number. We start by explaining the basics of recursion, its structure, and its role in problem-solving. Step by step, we walk you through the provided code, detailing how the recursive function calculates the factorial of an input number.

By the end of this tutorial, you'll have a solid understanding of recursion, the factorial calculation process, and how to apply this knowledge to solve similar problems using recursive techniques. Whether you're a beginner or looking to strengthen your programming skills, this tutorial will provide you with valuable insights into Python's recursive capabilities.

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TIMESTAMPS:
[00:00] Introduction
[00:04] code start
[02:30] output
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?For (Window Users) download PyScripter - https://rb.gy/bvnn69 - Free & Open Source
Download Python - (https://www.python.org/) (Windows & Mac)

Note - This video shows installation of 2 Python editors, both are free to use. For window users I have downloaded PYScripter in this video

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code here :

def factorial(n):
if n==0:
return 1
else:
return n * factorial(n -1 )

number = int(input("enter a number : "))
result = factorial(number)
print(f"the factorial of{number} is {result}")

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