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: ['3271', '3229', '5225', 'c', '5675', '1101', '5295', '9015']

3271, 3229, 5225, 3, 5675, 1101, 5295, 9015