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.

['2861', '3525', 'G', 'U', 'X', '9983', 's', '5745', '6063', '4995', 's', 'N', 'G', '1117', '687', '4153', 'F', 'n', 'C', '9525', 'i', '8925', '1055', '243', '2197', '2249', 't']
2861, 3525, 7, 21, 24, 9983, 19, 5745, 6063, 4995, 19, 14, 7, 1117, 687, 4153, 6, 14, 3, 9525, 9, 8925, 1055, 243, 2197, 2249, 20

['6851', 'Q', 'X', '907', '3123', '177', 'L', '7977', '4953', '4931', 'R', '3327']
6851, 17, 24, 907, 3123, 177, 12, 7977, 4953, 4931, 18, 3327

['5525', 'N', 'K', 'T', 'c', '2611', 'P', '7287', 'U', 'b', 'E', 'n', 'a', '4863', 'V', 't', '3329', 'z', '4545', '9725', '271', '2987', 'p', 'r', 'H', '3981', '5493', '653', 'x', 'o', '8901', '5787', 'i', 'I', '7665', 'N', '3281', 'p', 'h', '919']

5525, 14, 11, 20, 3, 2611, 16, 7287, 21, 2, 5, 14, 1, 4863, 22, 20, 3329, 26, 4545, 9725, 271, 2987, 16, 18, 8, 3981, 5493, 653, 24, 15, 8901, 5787, 9, 9, 7665, 14, 3281, 16, 8, 919