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.

['A', '6307', 'n', 'U', '5179', 'X', 'N', '767', '8273', 'r', '7055', '9371', 'u', '7479', 'p', '9961', '3547', 'X', '8445']
1, 6307, 14, 21, 5179, 24, 14, 767, 8273, 18, 7055, 9371, 21, 7479, 16, 9961, 3547, 24, 8445

['7033', '8333', 'n', 'q', '7327', 'M', '4195', 'x', '3573', 'W', 'V', 'w', 'Q', 'J', '6513', '5789', '785', '1061', '8721', 't', '8523', '4707', '7145', 'J', 'o', '5913', '3481', '4973', 'B', 'y', '4077', 'H', '761', '8405', '987']
7033, 8333, 14, 17, 7327, 13, 4195, 24, 3573, 23, 22, 23, 17, 10, 6513, 5789, 785, 1061, 8721, 20, 8523, 4707, 7145, 10, 15, 5913, 3481, 4973, 2, 25, 4077, 8, 761, 8405, 987

['L', 'q', 'W', '7237', 'y', '6121', '1813', 'E']

12, 17, 23, 7237, 25, 6121, 1813, 5