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: ['1843', '1711', '2107', '8627', '8963', 'F', '8259', 'H', 'J', 'm', 'F', 'G', '7577', '4261', 'N', 'q', '4675', 'T', '937', 'M', 'c', '9799', '6631', 'P', 'r', '871', '5149', '7127']

1843, 1711, 2107, 8627, 8963, 6, 8259, 8, 10, 13, 6, 7, 7577, 4261, 14, 17, 4675, 20, 937, 13, 3, 9799, 6631, 16, 18, 871, 5149, 7127