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: ['Z', '6337', '6417', '5559', '4795', 'v', '4235']

26, 6337, 6417, 5559, 4795, 22, 4235