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: ['V', 'K', '2719', '8091', '3603', 't', '2347', 'U', '557', '3383', 'Z', '2207', 'm', '7977', 'w', '5047', '8455', 'e', '1919', 'P', '5773', 'j', 'c', '2885', '9025', '23', 'X', '4275', 'b', '3453']

22, 11, 2719, 8091, 3603, 20, 2347, 21, 557, 3383, 26, 2207, 13, 7977, 23, 5047, 8455, 5, 1919, 16, 5773, 10, 3, 2885, 9025, 23, 24, 4275, 2, 3453