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: ['8097', 'q', '3929', 'x', '7119', '9011', '3521', '8999', '6151']

8097, 17, 3929, 24, 7119, 9011, 3521, 8999, 6151