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: ['t', 'N', '5369', '3207', '933', '1017', 'A', 'Z', '2051', '2893']

20, 14, 5369, 3207, 933, 1017, 1, 26, 2051, 2893