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: ['1151', '4921', '5547', '2029', '329', 'Z', 'q', 'w', '2001', 'Z', '4459']

1151, 4921, 5547, 2029, 329, 26, 17, 23, 2001, 26, 4459