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: ['J', 'J', 'p', 'T', '1033', 's', 'e', '7775', 'J', 's', 'n', 'j', 'g', '6643', '5209', '1363', 'J', 'X', '2023', '8217', '2311', '5891', 'X', 'Q', '6111', 'c']

10, 10, 16, 20, 1033, 19, 5, 7775, 10, 19, 14, 10, 7, 6643, 5209, 1363, 10, 24, 2023, 8217, 2311, 5891, 24, 17, 6111, 3