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: ['5133', '5125', 'Y', '8105', 'G', '8037', 'F', 'y']

5133, 5125, 25, 8105, 7, 8037, 6, 25