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: ['x', 't', 'V', 'd', 'K', 'N', '3077', '7393', '7177', '6321', '4921', 't']

24, 20, 22, 4, 11, 14, 3077, 7393, 7177, 6321, 4921, 20