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: ['827', 'z', 'B', 'V', '329', 'g', 'Y', 'c', '445', '6223', '7683', '8211', '4079', '5563', 'f', '4793', 'O', '7137', 'C', '3843', 'b', '3433', '4829', '5595', 's', '229', 'p', 'F', '3913', 'n', 'u', 's']

827, 26, 2, 22, 329, 7, 25, 3, 445, 6223, 7683, 8211, 4079, 5563, 6, 4793, 15, 7137, 3, 3843, 2, 3433, 4829, 5595, 19, 229, 16, 6, 3913, 14, 21, 19