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.

['9121', 'x', '3517', '3797', '9865', 'P', '2171', 'a', 'm', 'J', 'f', 'p', '5385']
9121, 24, 3517, 3797, 9865, 16, 2171, 1, 13, 10, 6, 16, 5385

['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

['l', '3119', 'e', '2637', '9281', '469', '8245', '5489', 'D', '3673', '7649', '3475', '9531', '1931', '5779', 'p', '9823', 'V', '3363', 'i', '2189', 'J', 'b', '3063', '6011', '243', '3071', '3221', 'N', '1357', 'e', 'X', '6159']

12, 3119, 5, 2637, 9281, 469, 8245, 5489, 4, 3673, 7649, 3475, 9531, 1931, 5779, 16, 9823, 22, 3363, 9, 2189, 10, 2, 3063, 6011, 243, 3071, 3221, 14, 1357, 5, 24, 6159