instruction:
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.
question:
['b', 'u', 'r', '3453', '1663', 'b', '651', 'R', 'U', 'U', 'a', 'b', '2769', 'C']
answer:
2, 21, 18, 3453, 1663, 2, 651, 18, 21, 21, 1, 2, 2769, 3


question:
['3281', '6057', 'g', 'C', '5137', 'Q', 'N', 'n', '5121', '5599', '1281', '3473', 'q', '9141', 'v', 'Y', 'K', '2653', 'f']
answer:
3281, 6057, 7, 3, 5137, 17, 14, 14, 5121, 5599, 1281, 3473, 17, 9141, 22, 25, 11, 2653, 6


question:
['4343', 'N', 'O', '145', 'X']
answer:

4343, 14, 15, 145, 24