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: ['z', 't', 'q', 'J', 'f', '1089', '5937', '6195']

26, 20, 17, 10, 6, 1089, 5937, 6195