Detailed Instructions: 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.
Q: ['n', '6449', 'H', '5221', '4473', 'o', '9991', '2859', '6579', '4205', 'U', '1949', '1691']
A:
14, 6449, 8, 5221, 4473, 15, 9991, 2859, 6579, 4205, 21, 1949, 1691