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: ['Q', '4025', '597', '9633', 'b', '1629', 'N', '8749', 't', '7707', 'w', 'S']

17, 4025, 597, 9633, 2, 1629, 14, 8749, 20, 7707, 23, 19