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.

['5913', '6135', '4167', 'S', '9777', 'S']
5913, 6135, 4167, 19, 9777, 19

['33', '2283', 'M', 'g', 'q', 'D', 'L', '8315', 'G', '3857', '7681', 'z']
33, 2283, 13, 7, 17, 4, 12, 8315, 7, 3857, 7681, 26

['N', '9371', '3135', 'W', 'E', '4869', 'b', '6681', '3391', '4141', '6861', '7701', 'b', '8763', '3703', 'B', 'W', '8947', 'B', '7155', 'Y', 'y', 'z', 'K', 'Y', '6099', '3165', 'X', '3159', '1145', '5153', '7131', '4001', 'R', 'z', '5499', 'r', 'O', 'b', 'W']

14, 9371, 3135, 23, 5, 4869, 2, 6681, 3391, 4141, 6861, 7701, 2, 8763, 3703, 2, 23, 8947, 2, 7155, 25, 25, 26, 11, 25, 6099, 3165, 24, 3159, 1145, 5153, 7131, 4001, 18, 26, 5499, 18, 15, 2, 23