8-1 消息:
def display_message(): print("I learn function in this chapter") display_message()运行结果:
8-2 喜欢的图书:
def favorite_book(bookname): print("One of my favorite books is "+bookname.title()) favorite_book("Alice in Wonderland")
运行结果:
8-3 T恤:
def make_shirt(size,word): print("size:",size,"\nword:",word) make_shirt(100,'good') make_shirt(size=100,word='good')运行结果:
8-4 大号T恤:
def make_shirt(size,word='I love Phthon'): print("size:",size,"\nword:",word) make_shirt('L') make_shirt('M') make_shirt('S',word='good')运行结果:
8-5 城市:
def describe_city(city,country='China'): print(city,'is in',country) describe_city("Guangzhou") describe_city("Shenzhen") describe_city('NewYork','America')运行结果:
8-6 城市名:
def city_country(city,country): return city.title()+","+country.title()#也可以返回两个值,类型是元组 print(city_country("Guangzhou",'China')) print(city_country('Shenzhen','China')) print(city_country('newYork','america'))运行结果:
8-7 专辑:
def make_album(singer,album,num=0): res={"singer":singer,"album":album} if num!=0: res['num']=num return res print(make_album('Jaychou','qinghuaci')) print(make_album('zhangjie','taiyang')) print(make_album('lironghao','libai',3))运行结果:
8-8 用户的专辑:
def make_album(singer,album,num=0): res={"singer":singer,"album":album} if num!=0: res['num']=num return res while True: singer=input('Please input the singer name,if your want to quit,input quit:\n') if singer=='quit': break album=input('Please input the album name,if your want to quit,input quit:\n') if album=='quit': break num=input('Please input the number of songs,if your want to quit,input quit:\n') if num=='quit': break print(make_album(singer,album,int(num)))运行结果:
8-9 魔术师:
def show_magicians(arr): print(arr) arr=['ksb','lmd','hyk'] show_magicians(arr)运行结果:
8-10 了不起的魔术师:
def show_magicians(arr): print(arr) arr=['ksb','lmd','hyk'] show_magicians(arr) def make_great(arr): for x in range(len(arr)): arr[x]='the Great '+arr[x] make_great(arr) show_magicians(arr)运行结果:
8-11 不变的魔术师:
def show_magicians(arr): print(arr) def make_great(arr): for i in range(len(arr)): arr[i]='the Great '+arr[i] return arr arr=['ksb','lmd','hyk'] show_magicians(arr) show_magicians(make_great(arr[:])) show_magicians(arr)运行结果:
8-12 三明治:
def sandwich(*sands):#任意元素数量的元组 print(sands) sandwich('apple','banana','orange') sandwich('apple','orange') sandwich('orange')运行结果:
8-13 用户简介:
def build_profile(first,last,**usr_info):#任意数量键值对的字典 profile={} profile["fist name"]=first profile["last name"]=last for key,value in usr_info.items(): profile[key]=value return profile #传递键值对时用下面的形式,键会自动转换为字符串有点意外 user_profile=build_profile('Ke','Sibo',sex='male',height='170cm') for key,value in user_profile.items(): print(key+":"+value)运行结果:
8-14 汽车:
def make_car(mader,number,**usr_info):#任意数量键值对的字典 profile={} profile["mader".title()]=mader profile["number".title()]=number for key,value in usr_info.items(): profile[key]=value return profile #传递键值对时用下面的形式,键会自动转换为字符串有点意外 user_profile=make_car('China','6',color='red',decoration='windows') for key,value in user_profile.items(): print(key+":"+value)运行结果:
8-15略
8-16 导入:
分别去掉注释符号即可
在模块myfunc中:
def myprint(): print('hhh')在其他模块中调用:
# import myfunc # myfunc.myprint() # from myfunc import myprint # myprint() # from myfunc import myprint as mp # mp() # import myfunc as mf # mf.myprint() # from myfunc import * # myprint()运行结果:
8-17 略
