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: ['7025', '9225', 'i', '5507', '5617', '3927', 'Q', 'n', '9049', '6299', '7399', '4881', 'W', '7695', '9721', '7871', '1757', '2073', 'a', '2761', 'E', '7711', 'P', 'G', 'v', 'h', 'U', '5889', 'L', 'f', 'r', '6257', 'L', '1417', 'u', '4533', '9917']

7025, 9225, 9, 5507, 5617, 3927, 17, 14, 9049, 6299, 7399, 4881, 23, 7695, 9721, 7871, 1757, 2073, 1, 2761, 5, 7711, 16, 7, 22, 8, 21, 5889, 12, 6, 18, 6257, 12, 1417, 21, 4533, 9917