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: ['E', '5573', '7669', '6989', 'a', '731', '7747', 'U', '6599', '549', 'd', '6193', 'y', '4005', '7097', 'C', '5707', '3791', '9671']
Example Output: 5, 5573, 7669, 6989, 1, 731, 7747, 21, 6599, 549, 4, 6193, 25, 4005, 7097, 3, 5707, 3791, 9671

Example Input: ['q', 'y', 'y', 'l', 'h', '6347', '7445', 'r', '3511', '8433', 't', '9123', 'L', 'C', 'i', '4441', '2765', 'w', 'f', 'C', 'R', 'B']
Example Output: 17, 25, 25, 12, 8, 6347, 7445, 18, 3511, 8433, 20, 9123, 12, 3, 9, 4441, 2765, 23, 6, 3, 18, 2

Example Input: ['8203', 'q', 'c', '7841', 'S', '6479', 'o', '4721']
Example Output:
8203, 17, 3, 7841, 19, 6479, 15, 4721