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: ['X', 'Y', 'F', 'o', 'G', 'h', '8815', 'T', '6885', '9529', '3595', 'J', 'A', '2163', 'l', 'y', 'y', '4785', 'Z', 'M', 'S', 'Y', 'R', '6435', 'K', 'y', 'o', '1649', '1791', '1967', 'A', 'x', 'n', 'y', 'c', 'N', 'N', 'm', '3333']

24, 25, 6, 15, 7, 8, 8815, 20, 6885, 9529, 3595, 10, 1, 2163, 12, 25, 25, 4785, 26, 13, 19, 25, 18, 6435, 11, 25, 15, 1649, 1791, 1967, 1, 24, 14, 25, 3, 14, 14, 13, 3333