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: ['r', '6235', '4505', 'w', 'n', '7125', '7001', '3193', '7095', '13', '3327', '9983', 'h', 'Y', '9567', '7015', 'K', '5139', '7127', 'P', 'o', 'E', 'H', 'p', 'X', '9617', 'z', 'k', 'D', '1179', 'Q', 'W', '5241']

18, 6235, 4505, 23, 14, 7125, 7001, 3193, 7095, 13, 3327, 9983, 8, 25, 9567, 7015, 11, 5139, 7127, 16, 15, 5, 8, 16, 24, 9617, 26, 11, 4, 1179, 17, 23, 5241