Your question is Two Sum with Hash Map. Start with the requirements on the right.
Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.
Given an array of integers nums and an integer target, return the indices of the two distinct elements whose values add up to target. Return the answer as a list of two indices in any order. You may assume exactly one valid pair exists.
def two_sum(nums, target):