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: ['z', '2191', '547', '1745', '9747', 'w', '6893', '9517', 'X', '379', 'd', 'y', '6851', '1229', '2029', '1047', '1099', 'b', '2091', '5597', 'q', '4627', '8825', 'L', '6799', 'G', 'J', '7917', '485', 'q', '6355', 'd', 's', 'i', '9569', '8691', '219', 'g', 'M']

26, 2191, 547, 1745, 9747, 23, 6893, 9517, 24, 379, 4, 25, 6851, 1229, 2029, 1047, 1099, 2, 2091, 5597, 17, 4627, 8825, 12, 6799, 7, 10, 7917, 485, 17, 6355, 4, 19, 9, 9569, 8691, 219, 7, 13