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: ['v', 'K', '5383', '6625', 'Y', 'v', 'x', '7799', '8589', 'K', '3365', '7841', '3425', 'v', '9537', 'B', '7939', 'y', '8447', '2857', 'H', 'C', '4439', 'D', 'a', '8863', '1139', '5347', '3931', 'R', 't', 'Y', 'S', 'a', 'N']

22, 11, 5383, 6625, 25, 22, 24, 7799, 8589, 11, 3365, 7841, 3425, 22, 9537, 2, 7939, 25, 8447, 2857, 8, 3, 4439, 4, 1, 8863, 1139, 5347, 3931, 18, 20, 25, 19, 1, 14