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]: ['G', 'O', '8921', 'k', 'T', 'g', '9349', '2977', '143', '2743', '7843']
[EX A]: 7, 15, 8921, 11, 20, 7, 9349, 2977, 143, 2743, 7843

[EX Q]: ['5223', '3529', 'k', 'o', 'K', '6357', '6631', '6471', 'a']
[EX A]: 5223, 3529, 11, 15, 11, 6357, 6631, 6471, 1

[EX Q]: ['4867', 'E', 'K', '849', 'O', 'A', '6117', '8649', 'i']
[EX A]:
4867, 5, 11, 849, 15, 1, 6117, 8649, 9