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: ['3189', '3169', 'F', '7687', '3175', 'F', 'y', '2711', 'S', 'L', '4797', '9577', 'S', '3235', '5405', '3321', '5323', 'I', '3761', 'd', '7327', '237', 'e', '3155', '3645', 'L', 'Q', 'F']

3189, 3169, 6, 7687, 3175, 6, 25, 2711, 19, 12, 4797, 9577, 19, 3235, 5405, 3321, 5323, 9, 3761, 4, 7327, 237, 5, 3155, 3645, 12, 17, 6