Sum of Natural Numbers Using Recursion
Question:
Write a python program to find sum of natural numbers using recursion
Program:
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# Python program to find the sum of natural numbers up to n using recursive function def rsum(n): if n <= 1: return n else: return n + rsum(n-1) num = int(input("Enter a number: ")) if num < 0: print("Enter a positive number") else: print("The sum is",rsum(num)) |
Explanation:
A recursive function (DEF) is a function which either calls itself or is in a potential cycle of function calls.
Output:
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('The sum is', 15) |
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