Python学习笔记7_函 数

def greet_user():
 """显示简单的问候语"""
 print("Hello!")   #一个空格
 print("World!")
greet_user()

# username = "Hello Python world!"
def greet_user(username):
 """显示简单的问候语"""
 print("Hello, " + username.title() + "!")
greet_user("yunfung")

def describe_pet(animal_type, pet_name):
 """显示宠物的信息"""
 print("\nI have a " + animal_type + ".")
 print("My " + animal_type + "‘s name is " + pet_name.title() + ".")
describe_pet(‘hamster‘, ‘harry‘)

def describe_pet(animal_type, pet_name):
 """显示宠物的信息"""
 print("\nI have a " + animal_type + ".")
 print("My " + animal_type + "‘s name is " + pet_name.title() + ".")
describe_pet(animal_type=‘hamster‘, pet_name=‘harry‘)

def describe_pet(pet_name, animal_type=‘dog‘):
 """显示宠物的信息"""
 print("\nI have a " + animal_type + ".")
 print("My " + animal_type + "‘s name is " + pet_name.title() + ".")
describe_pet(pet_name=‘willie‘)

def get_formatted_name(first_name, last_name):
 """返回整洁的姓名"""
 full_name = first_name + ‘ ‘ + last_name
 return full_name.title()
musician = get_formatted_name(‘jimi‘, ‘hendrix‘)  #离开循环不需要空格
print(musician)

def get_formatted_name(first_name, last_name, middle_name=‘‘):
 """返回整洁的姓名"""
 if middle_name:
  full_name = first_name + ‘ ‘ + middle_name + ‘ ‘ + last_name
 else:
  full_name = first_name + ‘ ‘ + last_name
 return full_name.title()
musician = get_formatted_name(‘jimi‘, ‘hendrix‘)
print(musician)

def build_person(first_name, last_name):
 """返回一个字典，其中包含有关一个人的信息"""
 person = {‘first‘: first_name, ‘last‘: last_name}
 return person
musician = build_person(‘jimi‘, ‘hendrix‘)
print(musician)

def build_person(first_name, last_name, age=‘‘):
 """返回一个字典，其中包含有关一个人的信息"""
 person = {‘first‘: first_name, ‘last‘: last_name}
 if age:
  person[‘age‘] = age
 return person
musician = build_person(‘jimi‘, ‘hendrix‘, age=27)
print(musician)

def get_formatted_name(first_name, last_name):
 """返回整洁的姓名"""
 full_name = first_name + ‘ ‘ + last_name
 return full_name.title()
 # 这是一个无限循环!
while True:
 print("\nPlease tell me your name:")
 f_name = input("First name: ")
 l_name = input("Last name: ")
 formatted_name = get_formatted_name(f_name, l_name)
 print("\nHello, " + formatted_name + "!")

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)

# 首先创建一个列表，其中包含一些要打印的设计
unprinted_designs = [‘iphone case‘, ‘robot pendant‘, ‘dodecahedron‘]
completed_models = []
# 模拟打印每个设计，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打印模型的过程
 print("Printing 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)

def print_models(unprinted_designs, completed_models):
 """
 模拟打印每个设计，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):
 """显示打印好的所有模型"""
 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)

function_name(list_name[:])

print_models(unprinted_designs[:], completed_models)

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‘)

def make_pizza(*toppings):
 """概述要制作的比萨"""
 print("\nMaking a pizza with the following toppings:")
 for topping in toppings:
  print("- " + topping)
make_pizza(‘pepperoni‘)
make_pizza(‘mushrooms‘, ‘green peppers‘, ‘extra cheese‘)

def make_pizza(size, *toppings):
 """概述要制作的比萨"""
 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‘)

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‘, ‘einstein‘,location=‘princeton‘,field=‘physics‘)
print(user_profile)

def make_pizza(size, *toppings):
 """概述要制作的比萨"""
 print("\nMaking a " + str(size) +
 "-inch pizza with the following toppings:")
 for topping in toppings:
  print("- " + topping)

module_name.function_name()