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.
--------
Question: ['c', 'W', '9815', 'X', 'q', '8309', '7153', 'G', '7877', '6843', 'E', '7631', '4251', '9299', 'y']

Answer: 3, 23, 9815, 24, 17, 8309, 7153, 7, 7877, 6843, 5, 7631, 4251, 9299, 25


Question: ['a', 'w', 'n', 'R', 'u', 'z']

Answer: 1, 23, 14, 18, 21, 26


Question: ['855', '7721', 'c', '9515', 'J', '203', 'v', '7427', 'd', '9949', '8421', '7735', 'F', 'W']

Answer:
855, 7721, 3, 9515, 10, 203, 22, 7427, 4, 9949, 8421, 7735, 6, 23