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: ['1311', '6057', 'p', 'A', 'V', 'B', 'j', '6687', 'x', '6913', 'k', 'D', '7789', 'Q', '7049', '8127', 't', 'v', 'A', '2213', '3541', '9815', 'B', 'q', '41']

1311, 6057, 16, 1, 22, 2, 10, 6687, 24, 6913, 11, 4, 7789, 17, 7049, 8127, 20, 22, 1, 2213, 3541, 9815, 2, 17, 41