Faster and more concise solution to the problem

[HC1608]

• File(s) Modified: 0001-two-sum.py, 0002-add-two-numbers.py, etc...
• Language(s) Used: python, javascript, etc...
• Submission URL: https://leetcode.com/problems/[problem-name]/submissions/xxxxxxxxx/

Important

Please make sure the file name is lowercase and a duplicate file does not already exist before merging.

[sujal-goswami]

hey @HC1608
There is no need to overwrite the original solution. You can put your solution just below it separately with Time and space complexities written on top of it.

And please create valid PR for reference go through Contributing.md