# lst = ["我不是药神", "西游记", "西红柿首富", "天龙八部"]

 #

 # # lst.clear()

 # # list在循环的时候不能删. 因为会改变索引

 # del_lst = []

 # for el in lst:

 #     del_lst.append(el)  # 记录下来要删除的内容

 #

 # for el in del_lst:  # 循环记录的内容

 #     lst.remove(el)  # 删除原来的内容

 # print(lst)

 # lst = ["周杰伦", "周润发", "周星星", "马化腾", "周树人"]

 # 删除掉姓周的人的信息

 # del_lst = []

 # for el in lst:

 #     if el.startswith("周"):

 #         del_lst.append(el)

 #

 # for el in del_lst:

 #     lst.remove(el)

 # print(lst)

 # 字典也不能在循环的时候更改大小

 # dic = {"a":"123", "b":"456"}

 # for k in dic:

 #     dic.setdefault("c", "123")

 # a = dict.fromkeys(["jj", 'jay', 'taibai'], "sb")  # 静态方法

 # dic = {"a":"123"}

 # s = dic.fromkeys("王健林", "思聪" ) # 返回给你一个新字典

 # print(s)

 # s = set() # 空集合

 # dic = dict()

 # s = str()

 # i = int()

 # lst = list()

 # print(i)

 # s = {"王者荣耀", "英雄联盟", "王者荣耀", 123, True, True}

 # print(s)

 # s = {123, {1,2,3}}    # 不合法

 # print(s)

 # lst = ["张强", "李强", "王磊", "刘伟", "张伟", "张伟", "刘洋", "刘洋"]

 # s = set(lst)    # 去重复

 # print(s)

 #

 # # 变回来

 # lst = list(s)

 # print(lst)

 # lst1 = ["金毛狮王", "紫衫龙王", "白眉鹰王", "青衣服往"]

 # lst2 = lst1 # 列表, 进行赋值操作. 实际上是引用内存地址的赋值. 内存中此时只有一个列表. 两个变量指向一个列表

 #

 # lst2.append("杨做事")  # 对期中的一个进行操作. 两个都跟着变

 # print(lst2)

 # print(lst1)

 # 浅拷贝 copy 创建新对象

 # lst1 = ["赵本山", "刘能", "赵四"]

 # # lst2 = lst1.copy()  # lst2 和lst1 不是一个对象了

 # lst2 = lst1[:]  # 切片会产生新的对象

 # lst1.append("谢大脚")

 # print(lst1, lst2)

 # # print(id(lst1), id(lst2))

 # lst1 = ["超人", "七龙珠", "葫芦娃", "山中小猎人", ["金城武", "王力宏", "渣渣辉"]]

 # lst2 = lst1.copy()  # 拷贝. 浅拷贝 拷贝第一层

 #

 # lst1[4].append("大阳哥")

 #

 # print(lst1, lst2)

 # 深拷贝

 import copy

 lst1 = ["超人", "七龙珠", "葫芦娃", "山中小猎人", ["金城武", "王力宏", "渣渣辉"]]

 lst2 = copy.deepcopy(lst1)  # 把lst1扔进去进行深度拷贝 , 包括内部的所有内容进行拷贝

 lst1[4].append("大阳哥")

 print(lst1, lst2)

 # 为什么要有深浅拷贝

 # 拷贝比创建对象的过程要快

 #******************上次作业*****************

 '''

 #1、评委打分，要求在5——10之间

 i=1

 while i<11:

     fen=input("请评委%d打分：" % i)

     if int(fen)>5 and int(fen)<10:

         print("OK的分数")

     else:

         print("不在范围的打分")

         continue

     i = i+ 1

 #2、

 lst=["斤瓶酶","解救吾先生","美国往事","西西里的美丽传说"]

 dic={}

 for el in lst:

     fen=input("请给%s电影进行打分：" % el)

     dic[el]=int(fen)

 print(dic)

 #3、读数

 dic={

     "-":"负",

     "1":"yi",

     "2":"er",

     "3":"san",

     "4":"si",

     "5":"wu",

     "6":"liu",

     "7":"qi",

     "8":"ba",

     "9":"jiu",

     "0":"ling",

     ".":"dian"

 }

 content=input("请输入一个数：")

 for c in content:

     print(dic[c],end=" ")

 else:

     print()

 print("你好啊")

 #4、求取主播的工资平均值并干掉低于平均值的主播

 zhubo={"卢本伟":99999,"冯提莫":140000,"陈一发儿":150000,"金老板":5000}

 sum=0

 for value in zhubo.values():

     sum=sum+value

 print(sum/len(zhubo))

 avg=sum/len(zhubo)

 lst=[]

 # 不允许在循环中删除字典中的key

 for k,v in zhubo.items():#循环记录要删除的key

     if v < avg:

         lst.append(k)#列表保存要删除的key

 for el in lst:

     zhubo.pop(el)

 print(zhubo)

 #**********************今天练习***********************

 #循环删除列表里的元素

 lst=["我不是药神","西游记","西红柿首富","天龙八部"]

 del_list=[] #建立一个要删除的元素空列表

 # list在循环的时候不能删，因为会改变索引

 for el in lst:

     del_list.append(el) #记录下要删除的内容

 for el in del_list: #循环记录内容

     lst.remove(el)  #删除原来的内容

 print(lst)

 lst=["周树人","周润发","周杰伦","周星星","马化腾","周大大"]

 del_list=[]

 for el in lst:

     if "周"in el:

         del_list.append(el)

     else:

         pass

 for el in del_list:

     lst.remove(el)

 print(lst)

 '''