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: ['8663', '3617', '1787', '7021', 'j', '9245', '741', '6675', '3231', '1389', 'k', '2479', 'Q', 'N', 'k', '327', 'D', '7989', 'r', '3941', '4175', 'U', '185', 'g', '1275', '3779', '7259', '8107', '3603', '1457', 'm', 'n', 'h', '1403', '4635', 'i', 'T', 'n', 'k', 'w']

8663, 3617, 1787, 7021, 10, 9245, 741, 6675, 3231, 1389, 11, 2479, 17, 14, 11, 327, 4, 7989, 18, 3941, 4175, 21, 185, 7, 1275, 3779, 7259, 8107, 3603, 1457, 13, 14, 8, 1403, 4635, 9, 20, 14, 11, 23