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]: ['L', 'M', '9547', '9787', 'C', '6993', '5623', 'N', 'x', '3495', '6071', '5413', 'Y', '5191', '9621', 'X', '8557', '7949', '5691', 'u', '7527', '621', '6899', 'E', 'K', 'a']
[EX A]: 12, 13, 9547, 9787, 3, 6993, 5623, 14, 24, 3495, 6071, 5413, 25, 5191, 9621, 24, 8557, 7949, 5691, 21, 7527, 621, 6899, 5, 11, 1

[EX Q]: ['2609', '8593', 'X', '365', '8173', '1859', '4371', 'M', '7949', 'O', 'D']
[EX A]: 2609, 8593, 24, 365, 8173, 1859, 4371, 13, 7949, 15, 4

[EX Q]: ['8737', '9645', 'f', '7951', 'b', 'z', 'L', 'q', '5453', '6839', 'm', 'O', '9505', '2625', 'F', '2869', '7219', '7477', 't', '5613', 'z', 'L', 'M', '6639', '1499', 'S', 'Y', '9845', '4971', 'Y', '3159', '9289', 'M', 'H', '2999', '5491', '9585', 'P']
[EX A]:
8737, 9645, 6, 7951, 2, 26, 12, 17, 5453, 6839, 13, 15, 9505, 2625, 6, 2869, 7219, 7477, 20, 5613, 26, 12, 13, 6639, 1499, 19, 25, 9845, 4971, 25, 3159, 9289, 13, 8, 2999, 5491, 9585, 16