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: ['3295', '8745', 'c', '7757', '1689', '2311', '9003', 'n', 'C', 'A', '59', 'E', '4663', 'M', 'l', 'f', 'c', '7411', '8675', 'U', 'm', '9867', 'V', 'A', 'W', 'W', '3275', '4489', 'c', '8407', '1031', '6061', '8479', 'k', '2089', 'f']

3295, 8745, 3, 7757, 1689, 2311, 9003, 14, 3, 1, 59, 5, 4663, 13, 12, 6, 3, 7411, 8675, 21, 13, 9867, 22, 1, 23, 23, 3275, 4489, 3, 8407, 1031, 6061, 8479, 11, 2089, 6