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: ['8943', 'i', 'J', 'h', 'j', 'Z', '3691', '9231', '7195']

8943, 9, 10, 8, 10, 26, 3691, 9231, 7195