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.

['8763', 'k', 'k', '2827', '8269', 'T', '3961', '6589', '4817', '2701']
8763, 11, 11, 2827, 8269, 20, 3961, 6589, 4817, 2701

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

['r', '3647', 'L', '3865', '9933', 'c', 'r']

18, 3647, 12, 3865, 9933, 3, 18