Introduction
Write a python program to sum of the first n positive integers. I have used python 3.7 compiler for debugging purpose.
num = int(input("Input a number: ")) sum_num = (num * (num + 1)) / 2 print(sum_num)
Result

Write a python program to sum of the first n positive integers. I have used python 3.7 compiler for debugging purpose.
num = int(input("Input a number: ")) sum_num = (num * (num + 1)) / 2 print(sum_num)
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