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

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


Question: ['l', 'F', 'o', '8761', 'o', 't', '2151', '1421', '9381', 'o', '8687', 'i', 'B', '7911', '2759', 'M', '4555', '3747', '145', 'W']

Answer: 12, 6, 15, 8761, 15, 20, 2151, 1421, 9381, 15, 8687, 9, 2, 7911, 2759, 13, 4555, 3747, 145, 23


Question: ['4809', 'P', '713', '237', 'h', 'l', 'r']

Answer:
4809, 16, 713, 237, 8, 12, 18