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: ['M', 'Z', 'T', 'I', '7201', 'i', '6513', 'C', '6345', '2361', 'O', '3797', 'O', '3629', 'd', 'Q', 'N', '5197', 'K']

13, 26, 20, 9, 7201, 9, 6513, 3, 6345, 2361, 15, 3797, 15, 3629, 4, 17, 14, 5197, 11