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', 'T', '9127', '2701', 'V', '3701', '5607', 'A', 'W', '5393', 'M', 'I']

17, 20, 9127, 2701, 22, 3701, 5607, 1, 23, 5393, 13, 9