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: ['1867', '179', 'Q', 'h', 'H', 'l', 'b', 'c', '6069', 'I', '2277', '6149', '7163', '4803', 'H', 'H', 'w', 'j', '879', '3619', 'I', 'z', '2075', '7113']

1867, 179, 17, 8, 8, 12, 2, 3, 6069, 9, 2277, 6149, 7163, 4803, 8, 8, 23, 10, 879, 3619, 9, 26, 2075, 7113