第八章

8-1：

def display_message():

print('我们正在学函数')

display_message()

8-2：

def favorite_book(title):

print('One of my favorite books is', title)

favorite_book('Alice in Wonderland')

8-3：

def make_shirt(size, char):

print('size is', size, ', character is', char)

make_shirt(4, 'T')

make_shirt(size=8, char='Y')

8-4：

def make_shirt(size = 'large', char = 'I love Python'):

print('size is', size, ', character is', char)

make_shirt()

make_shirt(size = 'medium')

make_shirt(size = 'small', char='hello world')

8-5：

def describe_city(name='Reykjavik', country='Iceland'):

print(name, 'is in', country)

describe_city()

describe_city('Guangzhou', 'China')

describe_city('Beijing', 'China')

8-6：

def city_country(name, country):

return name + ', ' + country

print(city_country('Santiago', 'Chile'))

print(city_country('Beijing', 'China'))

print(city_country('Guangzhou', 'China'))

8-7：

def make_album(name, album):

return {'singer_name': name, 'singer_album': album}

print(make_album('刘若英', '后来'))

print(make_album('周杰伦', '范特西'))

print(make_album('刘欢', '好汉歌'))

8-8：

def make_album(name, album):

return {'singer_name': name, 'singer_album': album}

while True:

msg1 = input("Please input a singer's name(q to quit): ")

if msg1 == 'q':

break

msg2 = input("Please input a singer's album: ")

print(make_album(msg1, msg2))

8-9：

def show_magicians(magi):

for man in magi:

print(man, end=' ')

magicians = ['Jay', 'Alan', 'John', 'Mary']

show_magicians(magicians)

8-10：

def show_magicians(magi):

for man in magi:

print(man, end=' ')

def make_great(magi):

for i in range(len(magi)):

magi[i] = 'The Great' + magi[i]

magicians = ['Jay', 'Alan', 'John', 'Mary']

show_magicians(magicians)

make_great(magicians)

show_magicians(magicians)

8-11：

def show_magicians(magi):

for man in magi:

print(man, end=' ')

def make_great(magi):

tmp = []

for i in range(len(magi)):

tmp.append('The Great ' + magi[i])

return tmp

magicians = ['Jay', 'Alan', 'John', 'Mary']

show_magicians(magicians)

show_magicians(make_great(magicians[:]))

8-12：

def add_sandwich(*adds):

print('Making a sandwich with the following toppings:')

for t in adds:

print(t)

add_sandwich('aaa')

add_sandwich('aaa', 'bbb')

add_sandwich('aaa', 'bbb', 'ccc')

8-13：

def build_profile(first, last, **user_info):

profile = {}

profile['first_name'] = first

profile['last_name'] = last

for key, value in user_info.items():

profile[key] = value

return profile

my_profile = build_profile('Jair', 'Zhu', age='20', hobby='game', specialty='sleep')

print(my_profile)

8-14：

def make_car(producer, model, **info):

tmp = {'Producer': producer, 'Model': model}

for key, value in info.items():

tmp[key] = value

return tmp

car = make_car('subaru', 'outback', color='blue', tow_package=True)

print(car)