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: ['m', '1147', '2713', '3537', '2805', 'T', 'e', '243', 'x', '667', 'g', '9167', 's']

13, 1147, 2713, 3537, 2805, 20, 5, 243, 24, 667, 7, 9167, 19