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', '4527', 'v', 'w', 'x', '2301', '5065', '2305', '2863', 'm', '7343', '4961', '6701', '9903', 'l', '4855', '1689', '2113', '8441', 'h', 'L', 'm', 'n', 'X', '4543']

25, 4527, 22, 23, 24, 2301, 5065, 2305, 2863, 13, 7343, 4961, 6701, 9903, 12, 4855, 1689, 2113, 8441, 8, 12, 13, 14, 24, 4543