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: ['g', 'E', '7043', 'E', 'A', 'k', 'y', '6625']

7, 5, 7043, 5, 1, 11, 25, 6625