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: ['1935', 'X', '2561', 'b', '793', '7977', 'S', 'g', '9801', '643', '6679', 'm', 'D', '8587', '1933', 'e', '3807', 'b', 'v', 'U', '3173', 'D', 'u', '9901', 'V', '3493', 'q', '4527', '3175', '5309', '2089', 'U', 'A', 'A', 'T', 'a', '3483']

1935, 24, 2561, 2, 793, 7977, 19, 7, 9801, 643, 6679, 13, 4, 8587, 1933, 5, 3807, 2, 22, 21, 3173, 4, 21, 9901, 22, 3493, 17, 4527, 3175, 5309, 2089, 21, 1, 1, 20, 1, 3483