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: ['1081', 'A', '3553', 'G', 'o', '4827', '5757', '4791', '1323', 'T', '4315', 'F', '3227', 'y', '7175', 'i', '1165', '5511', 'B', '8765', 'E', 'M', '3875', 'G', '4079', '5441', 'E', 'E', '5501', 'S', 'G', '2691', '4275', '6045', 'Q', '1893', '4679', '9451']

1081, 1, 3553, 7, 15, 4827, 5757, 4791, 1323, 20, 4315, 6, 3227, 25, 7175, 9, 1165, 5511, 2, 8765, 5, 13, 3875, 7, 4079, 5441, 5, 5, 5501, 19, 7, 2691, 4275, 6045, 17, 1893, 4679, 9451