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.

['6851', 'Q', 'X', '907', '3123', '177', 'L', '7977', '4953', '4931', 'R', '3327']
6851, 17, 24, 907, 3123, 177, 12, 7977, 4953, 4931, 18, 3327

['i', '1441', '397', 'S', '8833', '9829', 'g', 'U', 'W', '9651', '9403', '7013', '8445', 'D', 'M']
9, 1441, 397, 19, 8833, 9829, 7, 21, 23, 9651, 9403, 7013, 8445, 4, 13

['x', '8685', 'o', 'K', '6187', 'z', 'Q', 'o', '5411', 'L', '8445', '2135']
24, 8685, 15, 11, 6187, 26, 17, 15, 5411, 12, 8445, 2135