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.

['b', 'J', '4053', 'y', '8929', '9763', '4825', '5429', '2619', '6105', '3163', '6485', '6525', 'a', '2713', '153', '4391', 'h', 'M', 'u', '7327', 'O', 'y', '1345', 'X', '9149', '5101', 'q']
2, 10, 4053, 25, 8929, 9763, 4825, 5429, 2619, 6105, 3163, 6485, 6525, 1, 2713, 153, 4391, 8, 13, 21, 7327, 15, 25, 1345, 24, 9149, 5101, 17

['U', 'C', '7173', 'r', 'Z', 'e', '4057', '5191', 'k', '73', '9335', '6143', '8871', '6023', '5765', 'O', '5379', '5269', '9935', 'K', 'V', '7561', 'j', 'R', 'o', '9207', 'F', '7169', '9941', 'm', 'J', '4203', 'k', 'B', 'G']
21, 3, 7173, 18, 26, 5, 4057, 5191, 11, 73, 9335, 6143, 8871, 6023, 5765, 15, 5379, 5269, 9935, 11, 22, 7561, 10, 18, 15, 9207, 6, 7169, 9941, 13, 10, 4203, 11, 2, 7

['9519', 'Q', 'M', '2807', '6475', '8527', '9053', 'X', 'X', '7299', 'O', '209', '7979', 'G', 'y', '4385', '755', '2337', 'D', '9191', 'Z', '6437', 'u', 'l', 'h', '1825', 'c', '697', '9775', 'y', 'J']

9519, 17, 13, 2807, 6475, 8527, 9053, 24, 24, 7299, 15, 209, 7979, 7, 25, 4385, 755, 2337, 4, 9191, 26, 6437, 21, 12, 8, 1825, 3, 697, 9775, 25, 10