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: ['e', 'n', 'j', 'h', '3357', 'w', '9389', 'k', 'T', '293', '565', '3339', '3435', '3265', 'F', 'M', 'u', 'I', '9523', '961', '4905', 'y', 'm', '5869', '4693', '1213', 'w', 'I', '7067', 'D', '1933', '3909', '8527', 'L', '4055', '3333', 'm', 'b']

5, 14, 10, 8, 3357, 23, 9389, 11, 20, 293, 565, 3339, 3435, 3265, 6, 13, 21, 9, 9523, 961, 4905, 25, 13, 5869, 4693, 1213, 23, 9, 7067, 4, 1933, 3909, 8527, 12, 4055, 3333, 13, 2