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: ['1293', '8267', 'e', '7319', 'I', 'S', 'i', '3381', '9315']

1293, 8267, 5, 7319, 9, 19, 9, 3381, 9315