Python Switcher

switcher.py

class Switcher(object):
    def numbers_of_options(self, argument):
        """Dispatch method"""
        method_name = 'option_' + str(argument)
        method = getattr(self, method_name, lambda: "Invalid option")
        return method()
 
    def option_1(self):
        return "My option 1"
 
    def option_2(self):
        return "My option 2"
 
    def option_3(self):
        return "My option 3"