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.

['H', '7659', '3877', '1021', 'n', '3915', 'V', 'd', 'o', '9235', 'X', '6373', 'k', 'R', '6219', 'J', 'w', 'F', 'c', 'P', '8485']
8, 7659, 3877, 1021, 14, 3915, 22, 4, 15, 9235, 24, 6373, 11, 18, 6219, 10, 23, 6, 3, 16, 8485

['G', 'O', '8921', 'k', 'T', 'g', '9349', '2977', '143', '2743', '7843']
7, 15, 8921, 11, 20, 7, 9349, 2977, 143, 2743, 7843

['4605', '2813', '7587', 'c', '5807', 'P', '8343', 'B', '5459', 'E', 'I', 'G']

4605, 2813, 7587, 3, 5807, 16, 8343, 2, 5459, 5, 9, 7