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.

['V', '3471', '1007', '1937', 'Y', '3529', 'M', '9079', '129', 'j', '3991', 'X', 'h', '3647', 'C', 'l', 'Z', 'E', '6169', '4729']
22, 3471, 1007, 1937, 25, 3529, 13, 9079, 129, 10, 3991, 24, 8, 3647, 3, 12, 26, 5, 6169, 4729

['X', 'K', '6371', 'u', 'I', '8409', '9683', 'X', '4787', '2413', 'E', '8927', 'o', '4479', 'T', 'l', 'H', 'A', '7483', '6255', 'p', 'Y', 'e', '5517', 's', '2689', 'n', '3865', 'w', '4319', 'd', '7529', 'r', 'L', 'V', '737', 'C', 'q', '4947']
24, 11, 6371, 21, 9, 8409, 9683, 24, 4787, 2413, 5, 8927, 15, 4479, 20, 12, 8, 1, 7483, 6255, 16, 25, 5, 5517, 19, 2689, 14, 3865, 23, 4319, 4, 7529, 18, 12, 22, 737, 3, 17, 4947

['4981', '8523', '3359', 'i', '7205', '5013', 'Q', '2523', 'b', '8699', '3195', '3019', '8865', 'm', '2971', 'G', 'g', 'P', 'e', 'b', '9131', 'L', '1657', 'u', 'l', 's', '2577', 't', 'H']

4981, 8523, 3359, 9, 7205, 5013, 17, 2523, 2, 8699, 3195, 3019, 8865, 13, 2971, 7, 7, 16, 5, 2, 9131, 12, 1657, 21, 12, 19, 2577, 20, 8