Definition: 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.
Input: ['6165', '541', 'b', 'V', '7571', 'W', 'E', '1647', 'F', 'O', 'Y', 'X', 'H', '2013', '7745', '7049', '359', '7465', 'j', '9925', 'Z', 'G']

6165, 541, 2, 22, 7571, 23, 5, 1647, 6, 15, 25, 24, 8, 2013, 7745, 7049, 359, 7465, 10, 9925, 26, 7