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.

['7923', '333', 'e', 'v', '5021']
7923, 333, 5, 22, 5021

['2343', 'U', 'h', 'z', 'O', 'f', 'k', '7277', 's', '6913', '5391', 'a', 'y', '8849', '829', 'k', '165', '391', 'H', '4149', 'n', '6687', '7885', 'L', '1653', '2417', 'A', '3653', '8079', 'L', '6337', 'Q', '5571']
2343, 21, 8, 26, 15, 6, 11, 7277, 19, 6913, 5391, 1, 25, 8849, 829, 11, 165, 391, 8, 4149, 14, 6687, 7885, 12, 1653, 2417, 1, 3653, 8079, 12, 6337, 17, 5571

['M', '8025', 'R', 's', '1231', '7511', '1555', '8295', 'H', '7317', '6483', 'K', '3269', 'l', '7885', 'd', '8169', 'c', 'F', '7863', '8243', 'W', '8405', '8547', '1393']

13, 8025, 18, 19, 1231, 7511, 1555, 8295, 8, 7317, 6483, 11, 3269, 12, 7885, 4, 8169, 3, 6, 7863, 8243, 23, 8405, 8547, 1393