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: ['G', 'g', '6177', 'd', 'f', '5255', 'f', '3651', '5133', 'Z', 'C', 'q', '1239', '8639', 'Y', '6993', '5809', '6385', '8959', '1651', 'W', 'Z', '7925', '8297', '7627', 'd', '1001', '8791', 'j', '8405', '4333', 'F', 'i', 'R', 'j', '5725', '7129', '3177', 'Z']

7, 7, 6177, 4, 6, 5255, 6, 3651, 5133, 26, 3, 17, 1239, 8639, 25, 6993, 5809, 6385, 8959, 1651, 23, 26, 7925, 8297, 7627, 4, 1001, 8791, 10, 8405, 4333, 6, 9, 18, 10, 5725, 7129, 3177, 26