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.

[EX Q]: ['a', '9907', '6485', 'K', 'e', 'X', '687', '7687', '589', 'n', '7287', '9637']
[EX A]: 1, 9907, 6485, 11, 5, 24, 687, 7687, 589, 14, 7287, 9637

[EX Q]: ['3839', 'z', 'y', 'T', 'v', 'w', '2469', '2651', '499', '7407', 'O', 'Q', 'e']
[EX A]: 3839, 26, 25, 20, 22, 23, 2469, 2651, 499, 7407, 15, 17, 5

[EX Q]: ['m', 'z', '3309', '8597', 'l', '7501', '8257']
[EX A]:
13, 26, 3309, 8597, 12, 7501, 8257