import copy

names = ['Yangdanhua',['',''],'','','']

names01 = names   #直接引用

names02 = copy.copy(names)  #浅copy,包括 names02 = list[names]  & names02 = names[:]，列表内部值未被复制

names03 = copy.deepcopy(names) #深copy，列表内部值也被复制

digit = ['','','','']

digit.append('append')  #在list后面添加字符串

print(digit)

digit.pop(1)    #删除list中相应位置的元素

print(digit)

del digit[3]

print(digit)    #删除list中相应为位置的元素

print(digit.index(''))   #索引元素的位置

digit.reverse()

print(digit)    #将list反转

digit.sort()

print(digit)    #升序排序

a = ('','')

tuple = ('a','bb','ccc','a','hhh')

print(tuple.index('a')) #索引元素位置

print(tuple.count('a')) #元素出现次数

print(tuple.__len__())  #多少元素

print(tuple.__add__(a)) #仅仅可以元组相加，加在右边

#字典内容

dir = {1:{'movie':('action Movie','comedy','documentary'),'book':('cartoon','storybook')},

       2:{'instrument':('piaono','gatar'),'song':('blue','rock','sentimental')},

       3:{'sport':('climb mountains','bungee'),'other':('dressing','seimming')}}

#建立两个变量，后面会用到

keys1 = []

keys2 = []

#循环判断

judge = 'True'

while judge:

    #打印字典

    for a in dir:

        for b in dir[a]:

                print(a, b)

    #输入选择

    i = input('please input your choise:')

    #判断是否为数字

    if i.isdigit():

        i = int(i)

        #判断输入是否正确

        if i <=len(dir) and i>=0:

            for key in dir[i]:

                keys1.append(key)

                print(key)

            #输入选择

            j = input('please input your choise:')

            #判断输入是否在选项中

            if j in keys1:

                for x in dir[i][j]:

                  print(x)

                  keys2.append(x)

                f = input('please input your choise:')

                # 判断输入是否在选项中

                if f in keys2:

                    print('thanks for your time')

                    break

                else:

                    print('invalid input')

            else:

                print('invalid input')

        else:

            print('invalid input')

    else:

        print('invalid input')

else:

    print('thank you')

else:

    print('thank you')

a = 'String'

print('-------字符串方法-------')

print(a.replace('St','')) #字符替代

print(a.find('S'))  #字符位置

print(a.isdigit())  #是否是数字类型

print(a.upper())    #全部变大写

print(a.lower())    #全部变小写

print(a.split('i')) #以i字符切割成list

print(a.index('t')) #索引字符位置

print(a.join('----')) #在前后加字符串起来

print(dir(a))    #可看到所有可用方法