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: ['q', '743', 'H', '7555', '1779', '8069', '9531', '7483', 'Q', '9253', '6373', '3953', '8843', 's', '9333', '8455', '2081', '3049', '5157', '7011', 'u', '9023', '8351', 'J']

17, 743, 8, 7555, 1779, 8069, 9531, 7483, 17, 9253, 6373, 3953, 8843, 19, 9333, 8455, 2081, 3049, 5157, 7011, 21, 9023, 8351, 10