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: ['1077', '2475', 'Z', 'T', '7127', 'T', '189', '1535', '1471', '9053', 'e', 'q', '3787', 'E', '7723', 'z', 'r', '225', '7101', '3355', 'D', 'Z', '9929', 'Z', '5673', 'i', 'Z', 'U', 't', '9993', '6875', '2277', '8457', 'Z', 'X', '8071']

1077, 2475, 26, 20, 7127, 20, 189, 1535, 1471, 9053, 5, 17, 3787, 5, 7723, 26, 18, 225, 7101, 3355, 4, 26, 9929, 26, 5673, 9, 26, 21, 20, 9993, 6875, 2277, 8457, 26, 24, 8071