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: ['Z', '109', 'm', '5601', 'V', 'N', '5675', 'k', '5523', '2125', 'o', 'f', 'f', 'e', 'j', '2721', '7897', '4545', 'k', 'P', '323', 'Q', '6837', 'R', 'Q', '5183', 'H', '5489', '4865', 'W', 'c', 'c', '265', 'q', 'U', '6155', '7449', 'N', '7173']

26, 109, 13, 5601, 22, 14, 5675, 11, 5523, 2125, 15, 6, 6, 5, 10, 2721, 7897, 4545, 11, 16, 323, 17, 6837, 18, 17, 5183, 8, 5489, 4865, 23, 3, 3, 265, 17, 21, 6155, 7449, 14, 7173