python 学习day 6

1、代码学习部分

def display_message(context):
    """本章学习的内容"""
    print("I learned "+context+" in this chapter.")

display_message("for")

def favorite_book(title):
    """最喜欢的书的名字"""
    print("One of my favorite books is "+title+".")

favorite_book("Robinson crusoe")

#
def make_shirt(size,symbol):
    print("The size of T-shirt is "+size+" and the word in it is "+symbol+".")

make_shirt("31","hello world")

#默认字样
def make_shirt(size,symbol="I love python"):
    print("The size of T-shirt is "+size+" and the word in it is "+symbol+".")

make_shirt("big-sized")

def make_shirt(size,symbol="I love python"):
    print("The size of T-shirt is "+size+" and the word in it is "+symbol+".")

make_shirt("middle-sized")

def describe_city(name,nation="China"):
    print(name+" belongs to China.")

describe_city("shenyang")
describe_city("nanjing")
describe_city("london")

#城市名
def city_country(city,country):
    print(city+", "+country)

city_country("shenyang","China")

#专辑
def make_album(name,album):
    info={"singer":name,'albums':album}
    print(info)
make_album("xuezhiqian","du")
make_album("chenxixun","hongmeigui")
make_album("maobuyi","juxing")

#可选形参:
def make_album(name,album,number=""):        #将可选形参放置到最后，并设置成形参=""
    if number:
        info={"singer":name,'albums':album ,'numbers':number}
        print(info)
    else:
        info = {"singer": name, 'albums': album}
        print(info)
make_album("xuezhiqian","du","1")
make_album("chenxixun","us","1")
make_album("maobuyi","feel myself a big star")

#用户的专辑/while
def make_album(name,album,number=""):        #将可选形参放置到最后，并设置成形参=""
    if number:
        info={"singer":name,'albums':album ,'numbers':number}
        return info
    else:
        info = {"singer": name, 'albums': album}
        return info
while True:
    print("\nPlease input singer name and his album:")
    print("(enter 'q' at any time to break out.)")
    singer=input("singer name:")
    if singer== 'q':
        break
    album=input("album name:")
    if album== 'q':
        break
    album_maked=make_album(singer,album)
    print(album_maked)

#魔术师 向函数传递列表
def show_magicians(names):
    for name in names:
        print(name)

magic_names=["yuqian","david kebofeier"]
show_magicians(magic_names)

#了不起的魔术师 向函数传递列表
def make_great(names):
    for name in names:
        name="The great "+name
        print(name)
magic_names=["yuqian","david kebofeier"]
make_great(magic_names)


#不变的魔术师 禁止函数修改列表
def make_great(names):
    for name in names:
        print("The Great "+name)

magic_names=["yuqian","david kebofeier"]
make_great(magic_names[:])
print(magic_names)

def sandwich(*toppings):
    print("The customer order these:")
    for topping in toppings:
        print("\n"+topping)

sandwich("mushrooms","green peppers","extra cheese")

#users_profile.py
def build_profile(first,last,**user_info):
    """创建一个字典，其中包含我们知道的一切"""
    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)

user_profile=build_profile('zhang','yong kang',location='shen yang',field='electrical engineering ',food_like='doule cooked pork slices')
print(user_profile)

#汽车
def build_car(manufacturer,xinghao,**car_info):
    car={}
    car['zhizaoshang']=manufacturer
    car['xinghao']=xinghao

    for key,value in car_info.items():
        car[key]=value
    return car

car_bought=build_car('aodi','31',color='red',parts='tire')
print(car_bought)


#模块调用
#import module name
import car
print(car.build_car('aodi','31',color='red',parts='tire'))

#from module_name import function_name
from car import build_car
print(build_car('aodi','31',color='red',parts='tire'))

#from module_name import function_name as fn
from car import build_car as bc
print(bc('aodi','31',color='red',parts='tire'))

#import module_name as mn
import car as cr
print(cr.build_car('aodi','31',color='red',parts='tire'))

#from module_name import *
from car import *
print(build_car('aodi','31',color='red',parts='tire'))

 

2、学习疑问与心得

2.1、三引号是什么作用

2.2、形参前加两个*星号，即创建一个空字典

2.3、编写函数时，应给函数指定描述性名称，且只在其中使用小写字母和下划线

2.4、每个函数都包含简要的阐述其功能的注释，该注释应紧跟在函数定义后面，并采用文档字符串格式

2.5、给形参指定默认值时，等号两边不要有空格