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: ['8801', 'u', 'L', 's', '9695', 'F', '4159', 'm', '8413', '8769', '9913', '9663', 'm', 'K', 'K', 'L', 'i', 'r', '4361', '6653', '2227', 'N', 'N', 'j', 'z', '5303', 'Y', '6445']

8801, 21, 12, 19, 9695, 6, 4159, 13, 8413, 8769, 9913, 9663, 13, 11, 11, 12, 9, 18, 4361, 6653, 2227, 14, 14, 10, 26, 5303, 25, 6445