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: ['6095', 's', 'E', '9977', '2069', '1155', 'i', '1057', 'Q', '5343', 'i', 'i', 'h', 'R', 'R', 'M', '1565']

6095, 19, 5, 9977, 2069, 1155, 9, 1057, 17, 5343, 9, 9, 8, 18, 18, 13, 1565