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.

['C', 'M', 'H', '447', 'j', '8349', 'w', '5441', '2317', '3949', '119', 'Q', 'A', '9175', 'p', 'N', 'Y', 'b', '1281', 'R']
3, 13, 8, 447, 10, 8349, 23, 5441, 2317, 3949, 119, 17, 1, 9175, 16, 14, 25, 2, 1281, 18

['F', 'A', 'A', '5729', '6717', '9171', '2245', '5017', 'T', '8013', '9991', 'o', 'n', 'e', 'n', 'G', 'G', '6581']
6, 1, 1, 5729, 6717, 9171, 2245, 5017, 20, 8013, 9991, 15, 14, 5, 14, 7, 7, 6581

['2759', '9609', '2859', '4413', '4807', '9661', 'N', 'k', 'r', 'h', 'l', '4617', 'p', '6713', '2869', '6737', 'E', '2299', 'l', 'J', 'F', '9137', 'G']

2759, 9609, 2859, 4413, 4807, 9661, 14, 11, 18, 8, 12, 4617, 16, 6713, 2869, 6737, 5, 2299, 12, 10, 6, 9137, 7