Definition: 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.
Input: ['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