第八章作业

#8-1
def display_message():
    print('I learned functions in this chapter')


display_message()


#8-2
def favorate_book(title):
    print('one of my favorite books is '+title.title())


favorate_book('hahaha')

#8-4
def city_country(city,country):
    return city+' '+country


citylist=[]
citylist.append(city_country('lio','berzil'))
citylist.append(city_country('beijing','china'))
citylist.append(city_country('tokyo','japan'))
print(citylist)

I learned functions in this chapter
one of my favorite books is Hahaha
['lio berzil', 'beijing china', 'tokyo japan']