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: ['9205', 'D', '607', '7785', '8653', '663', 'z', 'B', '1697', '125', 'Z', '3985', '8719', '755', 'O', '7791', 'E', 'y', 'L', '7165', '8101', 'P', 'n', '7527', '2007', '2249', '3299', 'C', '8517', '9817']

9205, 4, 607, 7785, 8653, 663, 26, 2, 1697, 125, 26, 3985, 8719, 755, 15, 7791, 5, 25, 12, 7165, 8101, 16, 14, 7527, 2007, 2249, 3299, 3, 8517, 9817