Python Class Members Initialization

Question

I have just recently battled a bug in Python. It was one of those silly newbie bugs, but it got me thinking about the mechanisms of Python (I\'m a long time C++ programmer,

Answer 1

When you access attribute of instance, say, self.foo, python will first find 'foo' in self.__dict__. If not found, python will find 'foo' in TheClass.__dict__

In your case, dict1 is of class A, not instance.