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: ['5443', 'A', 'd', '9199', '3633', 'L', 'A', 'w', 'Q', 'G', '7055', '8735', '2257', '1445', '1545']

5443, 1, 4, 9199, 3633, 12, 1, 23, 17, 7, 7055, 8735, 2257, 1445, 1545