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', '2233', 'M', '7649', '6997', '8023', 'G', 'E', '8059', 'D', 'v']

25, 2233, 13, 7649, 6997, 8023, 7, 5, 8059, 4, 22