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: ['S', 'k', 'A', '1165', 'e', '5901', '8151', '8033', '9825', '5413', 'J', 'K', 'M', '3339', 'c', 'x', 'B', 'n', 'i', 'c', '2373', 'B', '5679', '4005']

19, 11, 1, 1165, 5, 5901, 8151, 8033, 9825, 5413, 10, 11, 13, 3339, 3, 24, 2, 14, 9, 3, 2373, 2, 5679, 4005