Python: Roll your own OO

oo.py

def Module():
    module_state = {}
    def Class(val):
        
        def get_val():
            return val

        class_state = {'get_val': get_val}

        return class_state
        
    module_state['Class'] = Class
    return module_state

module = Module()
first_instance = module['Class']('a')
second_instance = module['Class']('b')
print first_instance['get_val']()
print second_instance['get_val']()