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: ['2275', 'K', 'B', 'U', 'v', '6333', '9073', '3881', 'y', '3269', 'x', 'T', '5333', 'F', '4195', 'l', 'F', '683', 'Y', 'r', '6855', '4639', 't', 'C', 'V', '5141', '7527', '917', '9399', '793', 'J', 'S', '1481', '1361', '6329', 'b', '5795']

2275, 11, 2, 21, 22, 6333, 9073, 3881, 25, 3269, 24, 20, 5333, 6, 4195, 12, 6, 683, 25, 18, 6855, 4639, 20, 3, 22, 5141, 7527, 917, 9399, 793, 10, 19, 1481, 1361, 6329, 2, 5795