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: ['8685', 'F', '281', 'j', 'm', '7435', '9067', 'L', '8967', '4169']

8685, 6, 281, 10, 13, 7435, 9067, 12, 8967, 4169