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: ['677', 'E', 'N', '211', '8145', 'v', '715', '3899', 'p', '7979']

677, 5, 14, 211, 8145, 22, 715, 3899, 16, 7979