19Two Sum
Mediumdictionarieslists
Write two_sum(nums, target) that returns the indexes [i, j] of the two numbers in nums that add up to target, with i < j.
Every test has exactly one answer, and you may not use the same element twice.
Examples
Example 1
>>> two_sum([2, 7, 11, 15], 9) [0, 1]
Example 2
>>> two_sum([3, 2, 4], 6) [1, 2]
Good to know
- Try to do it in one pass through the list, without checking every pair.
Run examples checks the 2 examples above. Submit runs all 6 tests, including hidden edge cases, and marks the challenge solved.