Definition: 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.
Input: ['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