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: ['6569', '4061', '2267', '6011', '9127', '6567', '6825', '1359', 'N', '7645', 'm', 'f', '4179', '8111']

6569, 4061, 2267, 6011, 9127, 6567, 6825, 1359, 14, 7645, 13, 6, 4179, 8111