class MyType(type): pass 
 
class SubType(MyType): pass 
 
class MyObject(object): 
 __metaclass__ = MyType 
 
print("MyType.__class__ = %s" % (MyType.__class__)) 
print("SubType.__class__ = %s" % (SubType.__class__)) 
print("MyObject.__class__ = %s" % (MyObject.__class__))
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