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: ['v', 'l', 'W', '2097', 'y', 'g', '9743', '1451', '1385', 'k', 'Z', '1889']

22, 12, 23, 2097, 25, 7, 9743, 1451, 1385, 11, 26, 1889