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.

['3527', '3843', '719', 'r', '8403', 'M', '3981', '9225', 'm', '5725', '8413', '7257', '6637', '5495', '261', '4853', 'L', 'J', '4141', 'D', '2687', '9113', '4357', 'W', 'S', '3439', 'c']
3527, 3843, 719, 18, 8403, 13, 3981, 9225, 13, 5725, 8413, 7257, 6637, 5495, 261, 4853, 12, 10, 4141, 4, 2687, 9113, 4357, 23, 19, 3439, 3

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

['n', 'N', 'p', '4443', '5731', 'v', '2919', 'X', 'B', 'a', '947']

14, 14, 16, 4443, 5731, 22, 2919, 24, 2, 1, 947