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: ['F', 'B', 'v', '8621', '8063', '8705', '7127', '5829', '2349', 'x', '2263', '3749', 'i', '3359', '1531', '4367', 'H', 's', 'p', 'X', '5041', 'w', '6469', 'l', '8371', 'h']

6, 2, 22, 8621, 8063, 8705, 7127, 5829, 2349, 24, 2263, 3749, 9, 3359, 1531, 4367, 8, 19, 16, 24, 5041, 23, 6469, 12, 8371, 8