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

['3573', '6577', '3359', '8603', 'c', 'p', '5471', 'g', 'D', 'R', 'M', '4907', '3095', '2061', '8137', '5001', 't', 'Q', '6177', 'B', '1553', 'a', '993', 'q', '727', 'l', '141', 'V', 'V', 'C', 'Q', '7919', 'O', 'M', 'o', 'z', 'Z', '5639']
3573, 6577, 3359, 8603, 3, 16, 5471, 7, 4, 18, 13, 4907, 3095, 2061, 8137, 5001, 20, 17, 6177, 2, 1553, 1, 993, 17, 727, 12, 141, 22, 22, 3, 17, 7919, 15, 13, 15, 26, 26, 5639

['h', '4295', '9473', '729', 'W', '6509', '3939', '243', '9617', 'U', 'q', 'p', 'R', 'W', 'o', 'z', 'u', '7991', '6777', '3613', 'M', 'o', 'G', 'Z', 'S', '4809', '7731', '2213']

8, 4295, 9473, 729, 23, 6509, 3939, 243, 9617, 21, 17, 16, 18, 23, 15, 26, 21, 7991, 6777, 3613, 13, 15, 7, 26, 19, 4809, 7731, 2213