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: ['331', 'g', '5605', '787', '389', 'u', 'K', '3715', 'h', 'H', '8567', '9213', '9679', '8097', 'T', '7895', 'v', 'M', '1251', 'f', 'v', 'T', '9895', '8939', '771', 'Q', 'w', '8341']

331, 7, 5605, 787, 389, 21, 11, 3715, 8, 8, 8567, 9213, 9679, 8097, 20, 7895, 22, 13, 1251, 6, 22, 20, 9895, 8939, 771, 17, 23, 8341