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.

['y', '9573', 'j', '6697', '4179', '8985', '8999', 'R', '2585', 'h', 'p', '9407', '9575', '2639', '7655', '4683', 'Y']
25, 9573, 10, 6697, 4179, 8985, 8999, 18, 2585, 8, 16, 9407, 9575, 2639, 7655, 4683, 25

['f', 'a', 'v', '4929', 'a', 'Q', 'G', 'o', '281', '401', '4089', '6131', 's', 'W', 'N', '9093', '6781', '7527', '3315', 'a']
6, 1, 22, 4929, 1, 17, 7, 15, 281, 401, 4089, 6131, 19, 23, 14, 9093, 6781, 7527, 3315, 1

['G', '9669']

7, 9669