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.

Q: ['S', '6599', 'i', 'u', '7321', '859', '171', '7539', 'u', 'q', 'Y', '5699', '5409', 'C', '2885', '8065', '4941', '5981']

A: 19, 6599, 9, 21, 7321, 859, 171, 7539, 21, 17, 25, 5699, 5409, 3, 2885, 8065, 4941, 5981
****
Q: ['5473', '3897', 'E', '7551', 'U', 'l', 'C', 'p', 'w', 'g']

A: 5473, 3897, 5, 7551, 21, 12, 3, 16, 23, 7
****
Q: ['y', 'M', 'X', '6399', '8383', '4459']

A:
25, 13, 24, 6399, 8383, 4459
****