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: ['b', '8823', '4021', '95', 'S', 'M', '467', 'Q', 'r', '5695']

2, 8823, 4021, 95, 19, 13, 467, 17, 18, 5695