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: ['2611', '4363', 'G', '1029', 'n', 'v']

2611, 4363, 7, 1029, 14, 22