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: ['3329', '7287', 'D', '6453', 'B', '9871', 'e', '2319', '17', 'n', '8717', 'S', '729', '9791', '1443', 'e', '1669', 'V', '5565', 'M', '6245', 'R', '5691', '2567', 'Z', '3221', '4657', 'g', '9321', 'M', '7955', 'r', 'I', 'p', '7633', '7195', '4767']

3329, 7287, 4, 6453, 2, 9871, 5, 2319, 17, 14, 8717, 19, 729, 9791, 1443, 5, 1669, 22, 5565, 13, 6245, 18, 5691, 2567, 26, 3221, 4657, 7, 9321, 13, 7955, 18, 9, 16, 7633, 7195, 4767