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: ['873', '8201', '8007', '8627', '1763', 'q', 'Y', 'H', 'e', '6515', '2455', '6155', 'x', '8077']

873, 8201, 8007, 8627, 1763, 17, 25, 8, 5, 6515, 2455, 6155, 24, 8077