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: ['7869', 'q', '7887', 'z', 'r', '7069', 'C', '2793', 'N']
Example Output: 7869, 17, 7887, 26, 18, 7069, 3, 2793, 14

Example Input: ['e', 'a', '3337', 'R', 'H']
Example Output: 5, 1, 3337, 18, 8

Example Input: ['6025', '8927', 'D', 'I', 'J', '3503', 'u', '4675', 'O', '3953']
Example Output:
6025, 8927, 4, 9, 10, 3503, 21, 4675, 15, 3953