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: ['n', 'q', '6051', 'Y', 'N', 'j', '3469', '6505', 'O', '415', 'F', '9787', 'R', '6595', '7731', 'a', 'V', '7559', '4563', 'U', 't', 's', 'G', '9875', '4897', 'j', '381', 'Y', 'q', 'A', 'x', '1861', 'V', 'S', '6061', 'J', 'j', '9655']

14, 17, 6051, 25, 14, 10, 3469, 6505, 15, 415, 6, 9787, 18, 6595, 7731, 1, 22, 7559, 4563, 21, 20, 19, 7, 9875, 4897, 10, 381, 25, 17, 1, 24, 1861, 22, 19, 6061, 10, 10, 9655