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.

Example Input: ['A', 'i', '6381', 'Z', '9499', 'p', '3551', '3547', '4483', 'n', '5429', 'h', 'i', '245', '3501', '6881', 's', 'o', 'F', '9819', 'J', 'C', 'j', 'c', '7757', '8347', 'J', '7009', '6509', '5243', '8123', 'w', '891', 'u']
Example Output: 1, 9, 6381, 26, 9499, 16, 3551, 3547, 4483, 14, 5429, 8, 9, 245, 3501, 6881, 19, 15, 6, 9819, 10, 3, 10, 3, 7757, 8347, 10, 7009, 6509, 5243, 8123, 23, 891, 21

Example Input: ['b', 'u', 'r', '3453', '1663', 'b', '651', 'R', 'U', 'U', 'a', 'b', '2769', 'C']
Example Output: 2, 21, 18, 3453, 1663, 2, 651, 18, 21, 21, 1, 2, 2769, 3

Example Input: ['2511', '669', 'i', '7119', '5335', '1725', 'h']
Example Output:
2511, 669, 9, 7119, 5335, 1725, 8