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: ['Y', 'e', 'b', '1343', '3191', 'k', '1231', 'S', 'c', 'A', '6609', 'L', 'O', 'F', '8843', '6359', '6927', 'M', '561', 'Q', 'N', '8029', 'e', 'A', 'l', 'E', 'p', 'h', '6651', 'f', '2893', '7577', 'y']

25, 5, 2, 1343, 3191, 11, 1231, 19, 3, 1, 6609, 12, 15, 6, 8843, 6359, 6927, 13, 561, 17, 14, 8029, 5, 1, 12, 5, 16, 8, 6651, 6, 2893, 7577, 25