传递列表

def greet_users(names):
"""像列表中的每位用户发出问候"""
for name in names:
msg = "Hello, " + name.title() + "!"
print(msg)

usernames = ['js','jzh','jjf']
greet_users(usernames)

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在函数中修改列表

def print_models(unprinted_designs,completed_models):
"""
打印每个设计，直到没有未打印的设计为止
打印每个设计后，都将其移到列表completed_models中
"""
while unprinted_designs:
current_design = unprinted_designs.pop()

    #模拟根据设计制作3D打印的模型的过程
    print("Printing model: " + current_design)
    completed_models.append(current_design)

def show_completed_models(completed_models):
"""显示打印好的模型"""
print("\nThe following models have been printed:")
for completed_model in completed_models:
print(completed_model)

unprinted_designs = ['iphone case','robot pendant','dodecahedron']
completed_models = []

print_models(unprinted_designs,completed_models)
show_completed_models(completed_models)

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魔术师

def show_magicians(names):
"""打印每位魔术师的名字"""
for name in names:
print(name)

m_name = ['js','jzh','jjf']
show_magicians(m_name)

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def show_magicians(names):
"""打印每位魔术师的名字"""
for name in names:
print(name)

def make_great(names):
great_magicians = []

while names:
    name = names.pop()
    great_magician = name + " the Great"
    great_magicians.append(great_magician)
    
for great_magician in great_magicians:
    print(great_magician)

names = ['js','jzh','jjf']
show_magicians(m_name)

make_great(names)
show_magicians(names)

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