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]: ['b', 'a', 'v', 'W', 'R', '2221', 'N', '9463', 'Z', 'd', 'u', '9345']
[EX A]: 2, 1, 22, 23, 18, 2221, 14, 9463, 26, 4, 21, 9345

[EX Q]: ['9381', 'f', '9595', 'U', '4857', '5865', '8259', 'Y', 'g']
[EX A]: 9381, 6, 9595, 21, 4857, 5865, 8259, 25, 7

[EX Q]: ['3191', '7425', '4939', '7253', '4445', '1237', 'g', 'F', '9007', 'Q', '4355']
[EX A]:
3191, 7425, 4939, 7253, 4445, 1237, 7, 6, 9007, 17, 4355