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: ['k', '319', 'c', 'P', '9843', 'V', 'D', 'i', 'E', 'd', 't', 'D', '8513', '3835', '3797', 'u', 'A', 'E', '8405', 'T', 'q', '3819', '9133']

11, 319, 3, 16, 9843, 22, 4, 9, 5, 4, 20, 4, 8513, 3835, 3797, 21, 1, 5, 8405, 20, 17, 3819, 9133