## Python program to find the sum of natural numbers

The natural number are those numbers are start from 1 infinity. Such as 1,2,3,4,,5,6,…,also called whole numbers, and 0,1,2,3,4,5,…..,also called non-negative or whole numbers. How to Sum of natural series: 1+2+3+4+5+6+7+8+9………so on. Program Output