@@ -0,0 +1,329 @@
+from .shape2 import Shape2%0A%0A%0Aclass Box2(Shape2):%0A%0A    def __init__(self, *args):%0A        if len(args) != 4:%0A            raise TypeError(%0A                    %22%7B0%7D accepts 4 args, %22%0A                    %22received: %7B1%7D%22.format(%0A                    type(self).__name__, %0A                    len(args)))%0A        self._corners = args%0A%0A%0A

Create box2.py