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: ['4235', 'q', '6367', 'V', '6499', '4667', '3689', 'Y', '8349', 'i', '1289', 'T', 'T', '6479', 'g', 'K', '4003', '587', 'a', 'Y', 'T', 'L', '2915', '9261', '4483']

4235, 17, 6367, 22, 6499, 4667, 3689, 25, 8349, 9, 1289, 20, 20, 6479, 7, 11, 4003, 587, 1, 25, 20, 12, 2915, 9261, 4483