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: ['8867', 'v', '6043', '3597', '5253', 'x', 'H', 'M', 'm', '8077', 'q', '8333', '4967', 'j']

8867, 22, 6043, 3597, 5253, 24, 8, 13, 13, 8077, 17, 8333, 4967, 10