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: ['i', 't', '1079', '3237', 'G', 'X', '6067']

9, 20, 1079, 3237, 7, 24, 6067