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]: ['O', '6881', '759', '6693', 'i', 'c', '5921', 'z', 'w', '3775', '9997', 'e', '775']
[EX A]: 15, 6881, 759, 6693, 9, 3, 5921, 26, 23, 3775, 9997, 5, 775

[EX Q]: ['m', '4569', '4687']
[EX A]: 13, 4569, 4687

[EX Q]: ['D', '9511', '9533', '5641', 'h', 'e', 'b', 'Q', 'Z', 'T']
[EX A]:
4, 9511, 9533, 5641, 8, 5, 2, 17, 26, 20