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: ['W', '985', 'N', 'w', '3923', 'J', 'D', 'M', '9409', 'h', 'Q', '5549', 'Q', '3901', 'y', '1885', '2033', '2695', '1469', 'H', '6489', 'J', 'n', 't', '9203', '4371', '25', 'T', '9249']

23, 985, 14, 23, 3923, 10, 4, 13, 9409, 8, 17, 5549, 17, 3901, 25, 1885, 2033, 2695, 1469, 8, 6489, 10, 14, 20, 9203, 4371, 25, 20, 9249