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: ['5085', '4161', '4191', 'X', '7935', 'l', 'R', 'h', 'O', '763', 'X', '4657', '8543', '9419', 'r', 'S', '215', 'A', '1601', '7033', '1789', 'P', '6875', '2871', 'n', '4573', 'j', '1955', 'f', 'e', '5401', '5127']

5085, 4161, 4191, 24, 7935, 12, 18, 8, 15, 763, 24, 4657, 8543, 9419, 18, 19, 215, 1, 1601, 7033, 1789, 16, 6875, 2871, 14, 4573, 10, 1955, 6, 5, 5401, 5127