- The new builtin dictionary() constructor, and dictionary type, have
been renamed to dict. This reflects a decade of common usage.
+- dict() now accepts an iterable object producing 2-sequences. For
+ example, dict(d.items()) == d for any dictionary d. The argument,
+ and the elements of the argument, can be any iterable objects.
+
- New-style classes can now have a __del__ method, which is called
when the instance is deleted (just like for classic classes).
instances of new-style classes that have a __dict__ (unless the base
class forbids it).
-- dictionary() now accepts an iterable object producing 2-sequences.
- For example, dictionary(d.items()) == d for any dictionary d. The
- argument, and the elements of the argument, can be any iterable
- objects.
-
- Methods of built-in types now properly check for keyword arguments
(formerly these were silently ignored). The only built-in methods
that take keyword arguments are __call__, __init__ and __new__.