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: ['h', '5281', 'K', '6739', 'P', 'V', '8745', 'M', 'J', '9283', 'C', 'G', 'a', '5031', '5049', 'A', 'A', 'y']

8, 5281, 11, 6739, 16, 22, 8745, 13, 10, 9283, 3, 7, 1, 5031, 5049, 1, 1, 25