1 #Author : Felix Li 2  3 # 高阶函数的应用1 4 # import time 5 # def bar(): 6 #     time.sleep(1) 7 #     print("in the bar") 8 # def test1(func): 9 #     s_time=time.time()10 #     print(func)11 #     func()12 #     o_time=time.time()13 #     print("运行时间是%s"%(o_time-s_time))14 # test1(bar)15 16 #高阶函数的应用217 # import time18 # def bar():19 #     time.sleep(2)20 #     print("打印这个bar")21 # def test2(func):22 #     print(func)23 #     return func  #返回的是值24 # bar=test2(bar)25 # bar()

1 #嵌套函数 2  3 x=1; 4 def grandpa(): 5     #x=2; 6     def father(): 7         #x=3; 8         def son(): 9             #x=4;10             print(x)  #就近原则11         son()12     father()13 grandpa()

1 #Author : Felix Li 2                   #装饰器示例1 3 import time 4 def timer(func):                 #这个高阶函数+嵌套函数  就是装饰器 5     def deco(*args, **kwargs): 6         s_time = time.time() 7         func(*args, **kwargs)   #运行 test1  和 运行test2 8         o_time = time.time() 9         print("这个程序的运行时间是%s" % (o_time-s_time))10     return deco11 12 @timer13 def test1():14     time.sleep(2)15     print("这是1的测试结果")16 17 @timer18 def test2(name, age):19     time.sleep(2)20     print("信息：", name, age)21 22 test1()23 test2("FELIX", 23)

1 #Author : Felix Li 2             #装饰器示例2 3  4 user,passwd ='felix','123' 5  6 def dec_1(auth_type): 7     print("auth func:",auth_type) 8     def outer_wrapper(func): 9         def wrapper(*args, **kwargs):10             print("wrapper func args:",*args,**kwargs)11             if auth_type=="local":12                 username = input("用户名：").strip()13                 password = input("密码：").strip()14 15                 if user == username and passwd == password:16                     print("用户名密码正确！")17                     return func(*args, **kwargs)18                 else:19                     exit("非法的用户名或密码")20             elif auth_type=="ldap":21                 print("老子不会了！。。。")22 23         return wrapper24     return outer_wrapper25 26 27 def index():28     print("欢迎进入本网站！")29 30 @dec_1(auth_type="local")31 def home():32     print("登陆成功！")33     return "from home!"34 @dec_1(auth_type="ldap")35 def bbs():36     print("欢迎进入论坛！")37 38 index()39 print(home())40 bbs()

1 #Author : Felix Li 2  3 import time 4 def consumer(name):          #消费者 5     print("%s 准备吃包子啦!" %name) 6     while True: 7        baozi = yield 8  9        print("包子[%s]来了,被[%s]吃了!" %(baozi,name))10 11 12 def producer(name):      #生产者13     c = consumer('A')14     c2 = consumer('B')15     c.__next__()16     c2.__next__()17     print("老子开始准备做包子啦!")18     for i in range(2):19         time.sleep(1)20         print("做了2个包子!")21         c.send(i)22         c2.send(i)23 24 producer("felix")

1 #Author : Felix Li 2  3       # 1 4 # a=bytearray("abcde",encoding="utf-8") 5 # 6 # print(a[1]) 7 # a[1]=50 8  9     #210 code='''11 import time12 def consumer(name):          #消费者13     print("%s 准备吃包子啦!" %name)14     while True:15        baozi = yield16 17        print("包子[%s]来了,被[%s]吃了!" %(baozi,name))18 19 20 def producer(name):      #生产者21     c = consumer('A')22     c2 = consumer('B')23     c.__next__()24     c2.__next__()25     print("老子开始准备做包子啦!")26     for i in range(2):27         time.sleep(1)28         print("做了2个包子!")29         c.send(i)30         c2.send(i)31 32 producer("felix")33     '''34 # exec(code)35 36      #337 #print(divmod(3,5))   #商和余数38 39     #4   filter 过滤出想要的元素40 # res=filter(lambda n:n<5,range(10))41 # for i in res:42 #     print(i)43 44     #5   哈希45 #a=hash('123')46 #print(a)47 48    #649 #hex()     #转成16进制50 #oct()     #转成8进制51 52    #7  保留有效数字53 # a=round(3.2131316,6)54 # print(a)55 56    #8   排序57 # a={6:1,8:4,4:-5,-1:258 #59 #   }60 # print(sorted(a.items(),key=lambda x:x[1]))61 # print(a)62 63    #9 一一对应64 a=[1,2,3]65 b=['a','b,','c']66 for i in zip(a,b):67     print(i)

1 #Author : Felix Li 2    #json序列化     相当于保存一段数据 3 # import json 4 # info={ 5 #     'name':'felix', 6 #     'age':'23' 7 # 8 # } 9 # f=open("test.test","w")10 # f.write( json.dumps(info))11 #12 # f.close()13 14 15 16  #json反序列化     读出之前保存的数据17 import json18 f=open("test.test","r")19 data=json.loads(f.read())20 21 print(data["name"])