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', 'B', 'J', 'V', 'o', '967', 'E', 'm', '8525', '7635', '7321', 'E', '869', 'r', 'S', 'G', 'w', 'q', 'a', '2741', 'X', '571', '1689', 'P', '7019', '6669', '4825', 'f']

24, 2, 10, 22, 15, 967, 5, 13, 8525, 7635, 7321, 5, 869, 18, 19, 7, 23, 17, 1, 2741, 24, 571, 1689, 16, 7019, 6669, 4825, 6