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: ['6717', 's', 'Z', '5941', '4849', '265', '9745', 'q']

6717, 19, 26, 5941, 4849, 265, 9745, 17