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.

['3281', '6057', 'g', 'C', '5137', 'Q', 'N', 'n', '5121', '5599', '1281', '3473', 'q', '9141', 'v', 'Y', 'K', '2653', 'f']
3281, 6057, 7, 3, 5137, 17, 14, 14, 5121, 5599, 1281, 3473, 17, 9141, 22, 25, 11, 2653, 6

['B', '625', '6887', '913', 'w', '4539', 'E', 'q', 'C']
2, 625, 6887, 913, 23, 4539, 5, 17, 3

['g', '7967', '4043', 'U', '5971', 'm', 'J', 'M', '5865', '7583', 'e', '8485', '2981', 'v', '2335', 'J', '783', '6225', '5127', 'p', 'p', '6477', 'z', 'N', 'w', '5645', 'n', '5941', '7777']

7, 7967, 4043, 21, 5971, 13, 10, 13, 5865, 7583, 5, 8485, 2981, 22, 2335, 10, 783, 6225, 5127, 16, 16, 6477, 26, 14, 23, 5645, 14, 5941, 7777