+
−import string
+
−from pprint import pprint
+
−
+
−class Foo:
+
−    pass
+
−
+
−class Bar(Foo):
+
−    pass
+
−
+
−fleem = 1
+
−
+
−mystuff = {i:j for i, j in globals().items()}
+
−types = {i:type(j) for i, j in globals().items()}
+
−
+
−mynewstuff = {i:j for i, j in mystuff.items()
+
−              if (type(j) == type(Foo)) and issubclass(j, Foo)}
+
−
+
−pprint(mynewstuff)