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: ['3689', '1967', 't', '659', '8881', '9269', 'j', '9081', '9135', '3475', 'q', 'Z', 'P', 'M', 'c', '4013', 'w', 'w', 'v', '3625', 'q', '581', 'e', '337', 'v', '1969', '1655', '5381', '9215', '2643', '7243', '8353', 'F', 'o', 'G', '2695', 'f']

3689, 1967, 20, 659, 8881, 9269, 10, 9081, 9135, 3475, 17, 26, 16, 13, 3, 4013, 23, 23, 22, 3625, 17, 581, 5, 337, 22, 1969, 1655, 5381, 9215, 2643, 7243, 8353, 6, 15, 7, 2695, 6