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: ['7713', 'c', 'Z', 'W', 'J', '8745', 'Q', '1259', 'O', 'T', '1331', 'f', 'd', '167', 'v', 'E', 'e', 't', 'T', 'B', '4111', 'd', 'B', 'j', 'f', 'd', 's', 'A', '659']

7713, 3, 26, 23, 10, 8745, 17, 1259, 15, 20, 1331, 6, 4, 167, 22, 5, 5, 20, 20, 2, 4111, 4, 2, 10, 6, 4, 19, 1, 659