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', '5657', '7593', 'X', '3445', 'c', 'B', '8801', 'q', '4519', '2123', 'U', '5053', '4539', 'L', 'v', 'Z', 't', 'W', 'a', 'l', 'A', '7011', 't', 'I', '5089', '4297', '2795', '7511', '4591', '2595']

14, 5657, 7593, 24, 3445, 3, 2, 8801, 17, 4519, 2123, 21, 5053, 4539, 12, 22, 26, 20, 23, 1, 12, 1, 7011, 20, 9, 5089, 4297, 2795, 7511, 4591, 2595