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.

['X', 'A', 'V', '6327', 'E', 'a', '2173', '9145', '8161', 'X', '5829', 'f', 'K', 'C']
24, 1, 22, 6327, 5, 1, 2173, 9145, 8161, 24, 5829, 6, 11, 3

['1939', '7465', 't', '8401', '161', '7451', 'd', 'H', '4957', '5765', '19', '8981', 'n', 'i', 'B', 'r', 'o', '6653', '3671', 'r', 'e', '2403', 'X', 'y', '4993', '6411', 'D', '4645', '5033', '7297']
1939, 7465, 20, 8401, 161, 7451, 4, 8, 4957, 5765, 19, 8981, 14, 9, 2, 18, 15, 6653, 3671, 18, 5, 2403, 24, 25, 4993, 6411, 4, 4645, 5033, 7297

['R', 'D', '5831', '4009', 'u', '3791', 'y', '7181', 'e', 'P', 'B', 'L', 'a', '9543', 'x', '8449', '5795', '8021', 'e', '4567', '7543', 'o', 'X', '6051', 'E', 'Y', '7667', '8541']

18, 4, 5831, 4009, 21, 3791, 25, 7181, 5, 16, 2, 12, 1, 9543, 24, 8449, 5795, 8021, 5, 4567, 7543, 15, 24, 6051, 5, 25, 7667, 8541