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: ['3533', 'k', '927', '2047', '327', 'u', '9033', 'Q', '3677', '6967', '4445', '8925', 'W', 'k', 'T', '1353', '113', '6473', '605', 'N', '229', '9945', 'S', '9343', 'k', '9017', 'I', '4873', '6715', 'E', 'c']

3533, 11, 927, 2047, 327, 21, 9033, 17, 3677, 6967, 4445, 8925, 23, 11, 20, 1353, 113, 6473, 605, 14, 229, 9945, 19, 9343, 11, 9017, 9, 4873, 6715, 5, 3