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: ['T', '5735', 'T', 'D', '585', 'V', '4795', '5785', '3719', '5045']

20, 5735, 20, 4, 585, 22, 4795, 5785, 3719, 5045