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: ['7585', '445', '1693', '1331', '6981', 'T', 'p', 'q', 't', '91', 'w', 'b', '4201', 'D', 'b', '4331', '9863', 'g', '2129', 't', 'u', 'w', '1737', '5103', 'T', 'D', 'p', '5231', 'v', 'A', '6651', 'o', 'G', 'A', 'v', 'L']

7585, 445, 1693, 1331, 6981, 20, 16, 17, 20, 91, 23, 2, 4201, 4, 2, 4331, 9863, 7, 2129, 20, 21, 23, 1737, 5103, 20, 4, 16, 5231, 22, 1, 6651, 15, 7, 1, 22, 12