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', '6547', 'g', '3997', '5257', '5539', '5805', '1829', 'H', '5207', 'Q', 'P', 'X', '8093', '7207', 'V', 'z', 'b', '4977', '2405', '8003', '1883', '6713', 'v', 'u', '2975', '9665', 'T', '9573', 'p', 'V', '7969', '7511']

17, 6547, 7, 3997, 5257, 5539, 5805, 1829, 8, 5207, 17, 16, 24, 8093, 7207, 22, 26, 2, 4977, 2405, 8003, 1883, 6713, 22, 21, 2975, 9665, 20, 9573, 16, 22, 7969, 7511