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: ['L', 'M', '9547', '9787', 'C', '6993', '5623', 'N', 'x', '3495', '6071', '5413', 'Y', '5191', '9621', 'X', '8557', '7949', '5691', 'u', '7527', '621', '6899', 'E', 'K', 'a']
Example Output: 12, 13, 9547, 9787, 3, 6993, 5623, 14, 24, 3495, 6071, 5413, 25, 5191, 9621, 24, 8557, 7949, 5691, 21, 7527, 621, 6899, 5, 11, 1

Example Input: ['j', '5075', 'R', 'I', 'y', '7405', '5539', '6463', '8961', '1803', '8897', '1929', 'E', 'N', '9433', 'C']
Example Output: 10, 5075, 18, 9, 25, 7405, 5539, 6463, 8961, 1803, 8897, 1929, 5, 14, 9433, 3

Example Input: ['1915', '7871', 'L', '7433', '1833', 'D', 'U', '7269', '4945', 'f', '1371', '9477', 'e', '8317', 'S', 'x', '6649', 'S', 'c', '9339', '4785', '5933', 'E', 'V', 'Y', 'G', '8055', 't', 'l', '271', '4493', '5155']
Example Output:
1915, 7871, 12, 7433, 1833, 4, 21, 7269, 4945, 6, 1371, 9477, 5, 8317, 19, 24, 6649, 19, 3, 9339, 4785, 5933, 5, 22, 25, 7, 8055, 20, 12, 271, 4493, 5155