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: ['9707', 'g', 'q', '5013', '4907', '9179', 'H', 'L', '8135', 'x', 'E', '4279', '9165']

9707, 7, 17, 5013, 4907, 9179, 8, 12, 8135, 24, 5, 4279, 9165