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', 'J', '7921', 'P', '5579', 'Q', 'A', '7441', 'y', '1717']

8, 10, 7921, 16, 5579, 17, 1, 7441, 25, 1717