items 是一個list of tuple，如果針對tuple 排序，Python 的Builtin function sorted (或是 sort ) 會從tuple 的最後一個元素開始進行排序，也就是說一組二元素的tuple ... ... <看更多>

Standard Python dictionaries are unordered (until Python 3.7). Even if you sorted the (key,value) pairs, you wouldn't be able to store them ... ... <看更多>

In python, we have two functions for sorting: sorted() and ... Strings, tuples, dictionaries (you'll get the keys), generators, etc., ... ... <看更多>