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: ['b', '8601', 'y', '6747', '1661', 'K', 'o', '911', '6633', 'W', 'T', 'e', 'm', 'j', '937', '3673', 'q', '2759', 'o', '6699', 'p', 's', '1131', '41', '3307']

2, 8601, 25, 6747, 1661, 11, 15, 911, 6633, 23, 20, 5, 13, 10, 937, 3673, 17, 2759, 15, 6699, 16, 19, 1131, 41, 3307