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: ['q', '2175', '4741', 'K', '6925', '325', 'V', '4581', '5533', '1775', 'B', '4601']

17, 2175, 4741, 11, 6925, 325, 22, 4581, 5533, 1775, 2, 4601