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.

['7565', 'c', '4849', '6873', '6901', 'Q', '4237']
7565, 3, 4849, 6873, 6901, 17, 4237

['4567', '6901', '6039', 'O', 'H', '3017', 'n', '1833', 'h', '8219', 'G', 'U', 'X', '4831', '9811', '2395', 'T', '8981', '8605', 'o', '5439', '8691', '59', '9861', 'b', 'x', '9013', 'r', '4359', 'F', '1189', 'E', 'l', 'S', '6133', '7949', 'R']
4567, 6901, 6039, 15, 8, 3017, 14, 1833, 8, 8219, 7, 21, 24, 4831, 9811, 2395, 20, 8981, 8605, 15, 5439, 8691, 59, 9861, 2, 24, 9013, 18, 4359, 6, 1189, 5, 12, 19, 6133, 7949, 18

['D', 'j', 'W', 'i', '7213', '7963', 'p', '3099', 'y', '2605', '1239', '9339', 'j', '399', '2309', '1589', 'x', 'X', 'V', '9629', 'h', 'b', 'N', 'q']

4, 10, 23, 9, 7213, 7963, 16, 3099, 25, 2605, 1239, 9339, 10, 399, 2309, 1589, 24, 24, 22, 9629, 8, 2, 14, 17