Definition: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
Input: ['i', '6671', 'X', '7741', '3753', 'k', 'G', 'm', '2003', '7117', '9007', '9169', '7817', 'V', 'v']

9, 6671, 24, 7741, 3753, 11, 7, 13, 2003, 7117, 9007, 9169, 7817, 22, 22