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: ['5337', '6993', 'h', 'j', '4177', '7881', '3941', 'P', '7471', '6095']

5337, 6993, 8, 10, 4177, 7881, 3941, 16, 7471, 6095