Python学习笔记第十天

def greet_users(names):
    """向列表中的每位用户都发出简单的问候"""
    for name in names:
        msg="Hello, "+name.title()+"!"
        print(msg)
usernames=[‘hannah‘,‘ty‘,‘margot‘]
greet_users(usernames)
# 指定整个列表为一个实参，传递给形参，存储在names中

# 创建列表,存储需要打印的文件
unprinted_designs=[‘iphone case‘,‘robot pendant‘,‘dodecahedron‘]
completed_models=[]
# 模拟打印的每一个文件，知道没有需要打印的
# 把打印好的放到completed_models中，
while unprinted_designs:
    current_design=unprinted_designs.pop()
# 模拟根据设计制作3D打印模型的过程
    print("Print model: "+current_design)
    completed_models.append(current_design)
# 显示打印好的所有模型
print("\nThe following models have been printed:")
for completed_model in completed_models:
    print(completed_model)

# 创建列表副本
# 无论副本如何修改，原列表都不会发生改变
# funcation_name(list_name[:])

def make_pizza(*toppings):
    """打印顾客点的所有配料"""
    print(toppings)
make_pizza(‘pepperoni‘)
make_pizza(‘mushrooms‘,‘green peppers‘,‘extra cheese‘)
# *toppings 创建一个空元祖来存储传递进来的实参

def make_pizza(*toppings):
    """概述要制作的披萨"""
    print("\nMaking a pizza with the following toppings:")
    for topping in toppings:
        print("- "+topping)
make_pizza(‘pepperoni‘)
make_pizza(‘mushrooms‘,‘green peppers‘,‘extra cheese‘)
# *toppings 创建一个空元祖来存储传递进来的实参，遍历元组打印出来

def make_pizza(size,*toppings):
    """概述要制作的披萨"""
    print("\nMaking a "+str(size)+"-inch pizza with the following toppings:")
    for topping in toppings:
        print("- "+topping)
make_pizza(16,‘pepperoni‘)
make_pizza(12,‘mushrooms‘,‘green peppers‘,‘extra cheese‘)