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: ['3415', 'V', 'b', 'y', 'D', '345', '3149']
Example Output: 3415, 22, 2, 25, 4, 345, 3149

Example Input: ['W', 'Y']
Example Output: 23, 25

Example Input: ['7471', 'k', '5537', '3569']
Example Output:
7471, 11, 5537, 3569