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: ['J', 'e', 'K', 'J', 'D', 'U', 'x', '2325', 'k', 'e', 'B', '8945', '3347', '1477', 'g', 'Y', 'H', '3069', '8825', 'g', 'I', '1493', 'l', 'k', '2497', 'I', 'g', '6463', 'Y', 'a', 'j', '7027', '9413', '6697', '7633']

10, 5, 11, 10, 4, 21, 24, 2325, 11, 5, 2, 8945, 3347, 1477, 7, 25, 8, 3069, 8825, 7, 9, 1493, 12, 11, 2497, 9, 7, 6463, 25, 1, 10, 7027, 9413, 6697, 7633