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: ['y', 'K', '785', 'p', '8973', 'o', '4803', 'm', '6071', '9207', 'I', 'J', '5783', 'F', 'q', 'i', '1161', '6073', '173', 'B', '9077', 'o', 'd', '4139', 'b', '7949', 'j', '8501', '9223']

25, 11, 785, 16, 8973, 15, 4803, 13, 6071, 9207, 9, 10, 5783, 6, 17, 9, 1161, 6073, 173, 2, 9077, 15, 4, 4139, 2, 7949, 10, 8501, 9223