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]: ['K', 'U', '8245', 'I', 'C', '5815', '5163', '3535', 'h', 'J', 'k', 'i', '5525', 'y', 's', 'u']
[EX A]: 11, 21, 8245, 9, 3, 5815, 5163, 3535, 8, 10, 11, 9, 5525, 25, 19, 21

[EX Q]: ['1107', 'C', '5921', '7815', '1509', 'l']
[EX A]: 1107, 3, 5921, 7815, 1509, 12

[EX Q]: ['1129', '9905', '2643', '2241', 'q']
[EX A]:
1129, 9905, 2643, 2241, 17