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]: ['X', '7551', 'g', 'T', '71', '8975', '5259', '1439', 'Z', '6875', 'C', '6221', 'l', 'M', '4697']
[EX A]: 24, 7551, 7, 20, 71, 8975, 5259, 1439, 26, 6875, 3, 6221, 12, 13, 4697

[EX Q]: ['B', '1491', 'Q', 'y', 'D', 'b', '1667', 'W', '9611', '3105', 'Z', '3705', '9391']
[EX A]: 2, 1491, 17, 25, 4, 2, 1667, 23, 9611, 3105, 26, 3705, 9391

[EX Q]: ['9617', 'm', '3393', '4937', '9831', '5917', '3379', '3909', 'm', 'z', 'P', 'F', '2701', 'n']
[EX A]:
9617, 13, 3393, 4937, 9831, 5917, 3379, 3909, 13, 26, 16, 6, 2701, 14