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.

Example Input: ['8363', 'u', '5191']
Example Output: 8363, 21, 5191

Example Input: ['4481', '3957', 'l', '257', 'Y', '6271', 'a', 'a', '9103', '5057', 'g', '8273', '1475', '3583', '3399', 'j', 'O', 'I', '2499', '8301', 'a', 'H', 'l', '903', 'n', '8951', 'U', 'm', 'i', 'R', '6215', 'l', 'f', '407', 'F', '9303']
Example Output: 4481, 3957, 12, 257, 25, 6271, 1, 1, 9103, 5057, 7, 8273, 1475, 3583, 3399, 10, 15, 9, 2499, 8301, 1, 8, 12, 903, 14, 8951, 21, 13, 9, 18, 6215, 12, 6, 407, 6, 9303

Example Input: ['1437', 's', '7123', 't', 'o', 'P', '7029', '8833', '9163', 'j', '6091', 'E', 'U', '2145', 'j', '4287', '3347', '6891', 'N', 'r', '721', 'Y', '6029', 'Z', 'Q', 'F', '819', 'c', '2677', 'y', 'O', '6663']
Example Output:
1437, 19, 7123, 20, 15, 16, 7029, 8833, 9163, 10, 6091, 5, 21, 2145, 10, 4287, 3347, 6891, 14, 18, 721, 25, 6029, 26, 17, 6, 819, 3, 2677, 25, 15, 6663