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: ['Q', '2361', '4861', '6875', 'k', 'j', '5693', 'U', 'G', '2569', '2303', 'h', 'y', '5191', '9451', 'I', 'I', '9339', 'v', '7931', 'N', 'G', 'U', '8711', 'R', '6823', '8089', '7729', '9197']

17, 2361, 4861, 6875, 11, 10, 5693, 21, 7, 2569, 2303, 8, 25, 5191, 9451, 9, 9, 9339, 22, 7931, 14, 7, 21, 8711, 18, 6823, 8089, 7729, 9197