Sum of Natural N number | Recursion Function | Python

To find Sum of First N Number in Python Using Recursion Function.

1. def sumf(n):
2.     if(n>0):
3.         return n+sumf(n-1)
4.     else:
5.         return n
6. n=int(input("Enter Number="))
7. sm=sumf(n)
8. print("Sum of",n,"Natural Numbers is",sm)

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Snapshot of the Above Program

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