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: ['6501', 'q', 'k', 'Z', '989', '1789', '8101', '1799', '1211', 'f', 'V', 's', 'Z', '5361', 'O', 'M', 'x', '5053', 'L', 'k', '4379', 'w', '2113', '9869', 'S', '6037', '6291', 'h', '5651', '8027', 'p', '8095', 'L']

6501, 17, 11, 26, 989, 1789, 8101, 1799, 1211, 6, 22, 19, 26, 5361, 15, 13, 24, 5053, 12, 11, 4379, 23, 2113, 9869, 19, 6037, 6291, 8, 5651, 8027, 16, 8095, 12