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: ['1467', 'c', '2005', 'H', 'w', '777', '3601', '9017', '9101', '6029', '8071', '7735', 'N', 'l', 'v', '63', 'T', '179']

1467, 3, 2005, 8, 23, 777, 3601, 9017, 9101, 6029, 8071, 7735, 14, 12, 22, 63, 20, 179