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: ['T', 'p', 'e', 'r', '937', '1229', 'P', 'V', '8097', '8083', '3363', '7751', 'z']

20, 16, 5, 18, 937, 1229, 16, 22, 8097, 8083, 3363, 7751, 26