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.

['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

['Q', '8921', '7131', '9247', '3351', '4689', 'L', 'O', 'N', 'g', 'Q', '413']
17, 8921, 7131, 9247, 3351, 4689, 12, 15, 14, 7, 17, 413

['k', 'S', '6293', '4427', 'Y', 'T', 'z', '9499', 'h', 'E', 'd', '1271', 'C', 'j', 'o', '6511']

11, 19, 6293, 4427, 25, 20, 26, 9499, 8, 5, 4, 1271, 3, 10, 15, 6511