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]: ['r', 'z', '8645', '9053', '3629', '7689', '4465', '5281', 'Y', 'B']
[EX A]: 18, 26, 8645, 9053, 3629, 7689, 4465, 5281, 25, 2

[EX Q]: ['1725', 'w']
[EX A]: 1725, 23

[EX Q]: ['u', '6687', '2277', 'o', '7787', 'Z', 'b', 'I', '9983', 'N']
[EX A]:
21, 6687, 2277, 15, 7787, 26, 2, 9, 9983, 14