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: ['4113', '4865', 'X', '627', 'F', 'c', 'I', '8501', '2111', '5911', 'y', 'S', 'K', 'Z', 'V', '5513', '8189', '1277', '4077']

4113, 4865, 24, 627, 6, 3, 9, 8501, 2111, 5911, 25, 19, 11, 26, 22, 5513, 8189, 1277, 4077