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: ['k', 'C', '4807', 'F', 'n', 'B', 'h', 'i', 'q', '7245']

11, 3, 4807, 6, 14, 2, 8, 9, 17, 7245