Problem: The numbers 1,2,3.. are known as Natural numbers. Calculate the sum of all the natural numbers from 1 to N, where N will be the input.
Input: A positive integer N
Output: Output will be sum of numbers from 1 to N
Constraints: 1<N<1000
Sample Input: 5
Sample Output:
15
print(sum(range(1, int(input())+1)))How do you rate this article?
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