Definition: 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.
Input: ['f', 'i', '6063', '7473', '8143', 'y', '2601', '2813', '2829', '9317', 'A', '2989', '7957', '9897', 'm', '713', 'G', '8749', 'n', '2033', '9293', '6327', 'E', 'M', 'P', 'a']

6, 9, 6063, 7473, 8143, 25, 2601, 2813, 2829, 9317, 1, 2989, 7957, 9897, 13, 713, 7, 8749, 14, 2033, 9293, 6327, 5, 13, 16, 1