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: ['9597', 'd', 'A', 'v', '9019', 'D', '5729', 'x', 'o', 'L', '6815', 'p', 'x', 'K', 'Y', 'n', '2071', '229', '7085', '7763', '6677', 'm', '7325']

9597, 4, 1, 22, 9019, 4, 5729, 24, 15, 12, 6815, 16, 24, 11, 25, 14, 2071, 229, 7085, 7763, 6677, 13, 7325