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-rw-r--r--Misc/NEWS7
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@@ -27,6 +27,13 @@ Core language, builtins, and interpreter
fit in an int. In 1.6 and earlier, a negative long formatted
via %u raised an error if it was too big to fit in an int.
+- Dictionary objects have an odd new method, popitem(). This removes
+ an arbitrary item from the dictionary and returns it (in the form of
+ a (key, value) pair). This can be useful for algorithms that use a
+ dictionary as a bag of "to do" items and repeatedly need to pick one
+ item. Such algorithms normally end up running in quadratic time;
+ using popitem() they can usually be made to run in linear time.
+
Windows changes
- select module: By default under Windows, a select() call