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: ['Q', 's', 'C', 'S', 's', '2329', 'b', '5639', 'J', '2249', 'b', '7437', 'L', 'G', '6169', '1069', 'V', '9921', '5505', '2111', 'A', 'k', 'T', 'k', 'W', 't', '1807', 'O', '7997', '2227', '4173', '8525', 'e', '2523']

17, 19, 3, 19, 19, 2329, 2, 5639, 10, 2249, 2, 7437, 12, 7, 6169, 1069, 22, 9921, 5505, 2111, 1, 11, 20, 11, 23, 20, 1807, 15, 7997, 2227, 4173, 8525, 5, 2523