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: ['4385', '1603', '1177', 'G', 'l', 'w', '7003', 'I']

4385, 1603, 1177, 7, 12, 23, 7003, 9