class sub1:
	def meth1(s,arg): return 'Dit is sub1.meth1!'
class sub2(sub1):
	def meth2(s,arg): return 'Dit is sub2.meth2!'
class sub3(sub2):
	def meth3(s,arg): return 'Dit is sub3.meth3!'
class sub4(sub3,sub2):
	def meth4(s,arg): return 'Dit is sub4.meth4!'

class bench(sub4):
	def length(self, string): return len(string)
	def timestwo(self, value): return value*2
	def bigreply(self): return 'BIG REPLY'*200
	def bigarg(self,arg): return len(arg)
	def manyargs(self, a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15):
		return a1+a2+a3+a4+a5+a6+a7+a8+a9+a10+a11+a12+a13+a14+a15
	def noreply(self, arg): pass
	def varargs(self, *args):
		return len(args)
	def keywords(self, **args):
		return args
	def echo(self, *args):
		return args
	def oneway(self, *args):
		# oneway doesn't return anything
		pass
	def mapping(self, mapping):
		return mapping