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.

['871', 'f', '2705', '773', '1661']
871, 6, 2705, 773, 1661

['179', 'f', '7909', '9959', '3649', 'B', 'k', 'I', 's', 'Y', 'a', '6619', '3657', 'G', 'Q', '3647']
179, 6, 7909, 9959, 3649, 2, 11, 9, 19, 25, 1, 6619, 3657, 7, 17, 3647

['6085', 'n', 'r', '6749', '2035', '9593', '6457', '5083', 'Y', '5795', 'l', 'e', 'j', 'x', '5577', 'a', '9371', 'b', 'b']

6085, 14, 18, 6749, 2035, 9593, 6457, 5083, 25, 5795, 12, 5, 10, 24, 5577, 1, 9371, 2, 2