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', '6307', 'n', 'U', '5179', 'X', 'N', '767', '8273', 'r', '7055', '9371', 'u', '7479', 'p', '9961', '3547', 'X', '8445']
Example Output: 1, 6307, 14, 21, 5179, 24, 14, 767, 8273, 18, 7055, 9371, 21, 7479, 16, 9961, 3547, 24, 8445

Example Input: ['3815', '6963', '1481', 'i', 'N', 'S', '1029', '3511', 'H', 'M', '2701', '8769', '1927']
Example Output: 3815, 6963, 1481, 9, 14, 19, 1029, 3511, 8, 13, 2701, 8769, 1927

Example Input: ['3139', 'E', '8721', 'H', 'g', 'H', '9931', 'b']
Example Output:
3139, 5, 8721, 8, 7, 8, 9931, 2