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', '9527', '3569', 'v', 'E', '1211', 'g', '7197']

9, 9527, 3569, 22, 5, 1211, 7, 7197