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: ['9371', 'J', 'N', '9027', 'r', '1213', '9719', '6057', '3285', '5711', '8659', 'M', 'W', 'L', 'P', '8487', 'Y', 'Q', 'g', '1185', 'G', 'p', '6525', 'c', 's', '8259', 'y', 'o', '1615', '7839', '3487', '1565', 'm', 'i']

9371, 10, 14, 9027, 18, 1213, 9719, 6057, 3285, 5711, 8659, 13, 23, 12, 16, 8487, 25, 17, 7, 1185, 7, 16, 6525, 3, 19, 8259, 25, 15, 1615, 7839, 3487, 1565, 13, 9