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: ['j', '4849', 'x', '1065', 't', '5237', 'T', '7377', '8383', 'm', 'S', '7557', 'B', 's', '6925', '879', '7125', '8957', 'A', '9861', 's', 'i', '9547', 'i', 'G', 'j', '2133']

10, 4849, 24, 1065, 20, 5237, 20, 7377, 8383, 13, 19, 7557, 2, 19, 6925, 879, 7125, 8957, 1, 9861, 19, 9, 9547, 9, 7, 10, 2133