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: ['i', 'c', 'M', 'r', '4543', 'V', 'k', 'V', '8167', 'x', 'r', 'R', 'w', 't', 'v', 'h']

9, 3, 13, 18, 4543, 22, 11, 22, 8167, 24, 18, 18, 23, 20, 22, 8