# a = "asdjh hh"
# res = "jhh" in a
# print(res)#粒度
# temp = "alsd"
# print(temp.upper())
# print(dir(temp))
# help(type(temp))
# n1 = 123
# n2 = 456
# print(n1+n2)
# print(n1.__add__(n2))
# n1 = 4
# print(n1.bit_length())
#
# a1 = "asddfdd"
# print(a1.capitalize())#首字母变大写
# print(a1.center(10,'#'))#居中两边加符号
# print(a1.count('dd',5,6))#子序列的个数
# print(a1.endswith('d',4,5))#是否已什么结尾
# a2 = " heello "
# print(a2)
# print(a2.expandtabs(10))#tab换空格
# print(a1.find('tsdd'))#寻找，找不到返回-1
# print(a1.index("assdd"))#寻找找不到报错
# a3 = "nnn{0}dgf{1}dfg{2}".format('1','2','3')#占位符
# print(a3)
# a1 = 'Asd99'
# print(a1.isalnum())
# print(a1.isalpha())
# print(a1.isdigit())
# print(a1.islower())
# print(a1.isspace())
# print(a1.istitle())
# print(a1.isupper())
# li = ['123','asd','ssasd']
# lis = 'asd'
# liss = ('123','asdf','tjyh45')
# a = '_'.join(liss)#可迭代的
# print(a)
# a1 = ' as dg'
# b = a1.ljust(50,'s')
# print(b)
# c = a1.lstrip()#移除左空格
# print(c)
# c = a1.rsplit()
# c = a1.split()
# s = a1.partition('a')
# print(s)
# ss = a1.replace('as','asdasd')
# print(ss)
# a= 'asdlkj'
# b = ','.join(a)
# print(type(b))
# print(b[0])
# for i in a :
# continue
# break
# name_list = ['curry','tom','jerry']
# a = name_list.count('tom')#元素出现的次数
# b = name_list.index('curry')#获取索引
# c = name_list.append('jimmy')#追加
# d = name_list.extend(['jimmys'])#批量追加
# e = name_list.insert(1,'2')#在索引出替换
# f = name_list.remove('2')#移除元素
# print(name_list)
# g = name_list.pop(2)#移除索引元素并赋值
# print(name_list)
# print(g)
# name_list.reverse()#翻转
# print(name_list)
# name_list.sort()#排序
# print(name_list)
# del name_list[0]#删除指定索引内容
# print(name_list)
#列表可以修改元组不可以修改
# name_tuple = ('curry','tom','jerry')
# print(name_tuple[0:1])
# print(name_tuple.count('curry'))
# print(name_tuple.index('curry'))
# user_info = {
# "name":'curyy',
# "age":52,
# "gender":"m",
# }
# #索引
# print(user_info["name"])
# print(user_info.keys())
# print(user_info.values())
# print(user_info.items())
# for k,v in user_info.items():
# print(k,v)
# print(user_info.get('genders'))#索引取值不存在则报错，get不存在返回None
# user_info.clear()
# print(user_info)
# a = 'get' in user_info.keys()
# print(a)
# b = user_info.copy()
# print(b)
# li = ['java','python','php','c']
# for k,v in enumerate(li):
# print(k,v)
# inp = int(input('输入:'))
# print(li[inp])
# print(range(1,10))#2.7里用xrange(省内存)，3.6都一样
# for i in range(10,1,-2):
# print(i)
# li = ['asd','asds']
# print(int('123',10))
# n1 = 1234
# b1 = 1234
#
# print(id(n1))
# print(id(b1))
# e = str()
# print(e)
# a = "小明"
# b = bytes(a,encoding="utf-8")
# print(b)
# c = str(b,encoding='utf-8')
# print(c)
# li = [12,46]
# li.extend(('asdasd',56413))
# print(li)
# li.reverse()
# print(li)
# li.insert(0,744)
# print(li)
# print(li[0],li[0:3])
# a = tuple({'jkl':456})
# print(a)
# a = (123,4524,['asdf'])
#
# a[2].append('asd')
# print(a)
#t = (11,22,["alex",{"k1":"v1"}] )
# t[2][1].update({"k2":123})
# print(t)
# t[2][1]["k2"] = 123
# print(t)
# a = "小明"
# b = bytes(a,encoding="gbk")
# c = str(b,encoding="gbk")
# print(b,c)