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', '7801', '3777', 'G', 'q', '2891', 'W', 'j', 'V', '5895', '5047']

25, 7801, 3777, 7, 17, 2891, 23, 10, 22, 5895, 5047