def make_models():
models = {}
another = True
while another:
model = make_model()
models[model.name] = model
print ("Would you like to add another model?")
another = choose_yes_no()
return models
def make_bicycles(models):
bicycles = []
another = True
while another:
order = make_bicycle(models)
bicycles.extend(order)
print ("Would you like to add another order of bicycles?")
another = choose_yes_no()
return bicycles