python函数之任意数量的实参方式

def make_jianbing(*toppings):
	print(toppings)

make_jianbing('regou')
make_jianbing('weilong','liang ge eggs','regou')

('regou',)
('weilong', 'liang ge eggs', 'regou')

def make_jianbing(*toppings):
	print("\nMakeing a jianbing with the following toppings: ")
	for topping in toppings:
		print("-" + topping)

make_jianbing('regou')
make_jianbing('weilong','liang ge eggs','regou')

Makeing a jianbing with the following toppings: 
-regou

Makeing a jianbing with the following toppings: 
-weilong
-liang ge eggs
-regou

def make_jianbing(count,*toppings):
	print("\nMaking a " + str(count) + "-ge jianbing with the following toppings: ")
	for topping in toppings:
		print("- " + topping)
		
make_jianbing(2,'kaochang')
make_jianbing(4,'weilong','shuanghuandan','kaochang')

Making a 2-ge jianbing with the following toppings: 
- kaochang

Making a 4-ge jianbing with the following toppings: 
- weilong
- shuanghuandan
- kaochang

def build_profile(first, last, **user_info):
""" 创建一个字典，其中包含我们知道的有关用户的一切 """
	profile = {}
	profile['first_name']  = first
	profile['last_name'] = last
	for key,value in user_info.items():
		profile[key] = value
	return profile
	
user_profile = build_profile('albert' , 'einstenin' , location='princeton',
								field = 'physics')
print(user_profile)

def make_guandongzhu(*foods):
	print(foods)
	for food in foods:
		print("\nYour select guan dong zhu include: " + food)
	
make_guandongzhu('luobo','moyusi','haidian')
make_guandongzhu('xianggujirouwan','yuzixianbei')
make_guandongzhu('yudoufu','doupi','eggs')

('luobo', 'moyusi', 'haidian')

Your select guan dong zhu include: luobo

Your select guan dong zhu include: moyusi

Your select guan dong zhu include: haidian
('xianggujirouwan', 'yuzixianbei')

Your select guan dong zhu include: xianggujirouwan

Your select guan dong zhu include: yuzixianbei
('yudoufu', 'doupi', 'eggs')

Your select guan dong zhu include: yudoufu

Your select guan dong zhu include: doupi

Your select guan dong zhu include: eggs

def cars_info(changjia,xinghao,**infos):
	cars = {}
	cars['producer'] = changjia
	cars['car'] = xinghao
	for key,value in infos.items():
		cars[key] = key
		cars[value] = value
	return cars

car_info = cars_info('beiqi','hongqi',ranliao='qiyou',money='pianyi')
print(car_info)