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: ['y', '675', 'V', 'g', 'e', 'q', '2641', 'x', '2685', 's', 'Q', '3767', 'H', 'k', 's', '519', '1171', '9255', 'L', '2943', '2183', 'z', '403', 'V', 'G', '6521']

25, 675, 22, 7, 5, 17, 2641, 24, 2685, 19, 17, 3767, 8, 11, 19, 519, 1171, 9255, 12, 2943, 2183, 26, 403, 22, 7, 6521