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: ['3443', 'Z', 'O', 'w', 'r', '4883', 'c', 'I', 'Z', 'w', '6067']

3443, 26, 15, 23, 18, 4883, 3, 9, 26, 23, 6067