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: ['W', '4243', '3115', 'i', '2337', 'J', '2955', '5803', '3941', 'M', '1421', '6183', 'p', 'q', 'i', '9067', '1925', '3723', '5897', 'x', 'F', 'r', 'f', 'X', '3545', 'C', 'p', 'N', '1601', 'p', '1933', 'Y', '6011', 'X', '25', 'H', '9081', '6337', 'D', '4451']

23, 4243, 3115, 9, 2337, 10, 2955, 5803, 3941, 13, 1421, 6183, 16, 17, 9, 9067, 1925, 3723, 5897, 24, 6, 18, 6, 24, 3545, 3, 16, 14, 1601, 16, 1933, 25, 6011, 24, 25, 8, 9081, 6337, 4, 4451