class Switcher(object):
    def numbers_to_methods_to_strings(self,arguement):
        methodname = 'number_' + str(arguement)
        method = getattr(self,methodname, lambda: "%$%")
        return method()
    def number_0(self):
        return "number zero"
    def number_1(self):
        return"number one"
    def number_2(self):
        return "number two"