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.

['P', '127', '5527', 'G', 'R', '7087', 'E', 'T', 'n', '3681', 'Z', 'Q', '6843', '9395', 'P', '7551', '4677', 'o', 'g', '8023', '3419', 'B', 'i', '9561', '6635', '8805', '223', '7579', 'T', 'S', '8807']
16, 127, 5527, 7, 18, 7087, 5, 20, 14, 3681, 26, 17, 6843, 9395, 16, 7551, 4677, 15, 7, 8023, 3419, 2, 9, 9561, 6635, 8805, 223, 7579, 20, 19, 8807

['9003', 'i', '881', 'l', 'f', '2663', '1619', 'Y', 'E', 'W', '2869', 'k', 'v', 'c', '9423', 'S', 'G', 'C', 's', '4311', '531', '9789', '937', 'F']
9003, 9, 881, 12, 6, 2663, 1619, 25, 5, 23, 2869, 11, 22, 3, 9423, 19, 7, 3, 19, 4311, 531, 9789, 937, 6

['513', '1455', '4723']

513, 1455, 4723