enumerate().py

class Solution(object):
    def twoSum(self, nums, target):
        num_indices = {}
        
        for i, num in enumerate(nums): # แจกแจง i,num ใน nums
            complement = target - num
            

            if complement in num_indices:
                return [num_indices[complement], i]

            num_indices[num] = i
            print(num_indices[num])