Class inside a Class

ClassInsideAClass.py

class Outer():
	def __init__(self):
		self.test = 'LALALA LALA'
		class Inner():
			def readOuter(that):
				that.blah = self.test
				return that.blah
		self.inner = Inner()
	def what(self):
		return self.inner.readOuter()

instance = Outer()
print instance.what()