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: ['M', 'Z', '9195', 'c', '9055', '7317', 'X', '471', '1017', 'q', 'l', 'c', '4173', 'D', '5759', 'g', 'E', '743']

13, 26, 9195, 3, 9055, 7317, 24, 471, 1017, 17, 12, 3, 4173, 4, 5759, 7, 5, 743