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: ['3833', 'G', 'd', 'q', '4533', 'c', 's', 'p', 'e', 'l', '8675', 'b', 't', '1487', '8625', '4081']

3833, 7, 4, 17, 4533, 3, 19, 16, 5, 12, 8675, 2, 20, 1487, 8625, 4081