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: ['4657', '391', 'A', 'x', 'y', '467', 'I', 'T', 'w', '6691', 'N', 'o', 'F', 'J', 'E', '9113', '1843', '2179', 'M', 'R', 'q', '7067', '6481', '2125']

4657, 391, 1, 24, 25, 467, 9, 20, 23, 6691, 14, 15, 6, 10, 5, 9113, 1843, 2179, 13, 18, 17, 7067, 6481, 2125