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: ['367', '577', '2935', 'F', '1057', '9387', 'T', 'b']

367, 577, 2935, 6, 1057, 9387, 20, 2