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# Sum of N Natural Numbers using Recursion in Python

Learn about Sum of N Natural Numbers using Recursion in Python in the below code example. Also, refer to the comments in the code snippet to get a detailed view about what’s actually happening.

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#### Sum of N Natural Numbers using Recursion in Python

The recursion technique can also be used to find the sum of n natural integers. Recursion is a method of defining a function that includes a call to itself. The recursive function allows us to break down a big problem into identical single basic examples that we can easily manage.

Source code:

``````# Python program to find sum of n natural numbers using recursion

# recursive function
def findSum(num):
if(num == 0):
return num
else:
return (num + findSum(num - 1))

# input
num = int(input('Enter a number: '))

# print result
print('The sum of natural number =', findSum(num))``````

Output:

Enter a number: 3
The sum of natural number = 6

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