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: ['E', '8923', 'T', '8055', 'J', 'H', '6991', 'J', '5321', 'M', 'h', 'B', '179', '741', 'y', 'v', '431', 'W', '8057', '6111', '2185', 'g', 'M', '2537', 'y', '9269', 'T', 'F', 'X', '2577', 'b', 'M', '1857']

5, 8923, 20, 8055, 10, 8, 6991, 10, 5321, 13, 8, 2, 179, 741, 25, 22, 431, 23, 8057, 6111, 2185, 7, 13, 2537, 25, 9269, 20, 6, 24, 2577, 2, 13, 1857