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: ['G', '8351', '1151', 'D', 'O', 'b', '7857', 'g', '405', 'h', '2999', 'Q', 'P', '2233', 'R', 'y', 'b', 'R', 'Z', '9609', '5301', 'O', 'q', 'Q', '8741', '9541', 'J', 'e']

7, 8351, 1151, 4, 15, 2, 7857, 7, 405, 8, 2999, 17, 16, 2233, 18, 25, 2, 18, 26, 9609, 5301, 15, 17, 17, 8741, 9541, 10, 5