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How I can solve it by using range. Help . I DON'T KNOW HOW TO START.

No one likes homework, but your math teacher has given you an assignment to find the sum of the first N numbers. Let’s save some time by creating a program to do the calculation for you! Take a number N as input and output the sum of all numbers from 1 to N (including N). Sample Input 100 Sample Output 5050 Explanation: The sum of all numbers from 1 to 100 is equal to 5050.

1st Apr 2021, 7:01 PM
Yogesh Gour
Yogesh Gour - avatar
2 Answers
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Use the Gauss formula like Jan Markus suggested. It is much faster.
1st Apr 2021, 7:43 PM
ChaoticDawg
ChaoticDawg - avatar
+ 1
Id start with for x in range(N + 1): And for each iteration add x to a variable Hope it helps
1st Apr 2021, 7:31 PM
Alexander Crum
Alexander Crum - avatar