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', '1983', 'Z', 'S', 'S', '8909', '4441', 'h']

11, 1983, 26, 19, 19, 8909, 4441, 8