#=====================================================
# l = [1,2,5,7,-1,100]
# print(max(l))
# dic = {'age1':18,'age2':10}
# print(max(dic))
# print(max(dic.values()))
# print(max(zip(dic.values(),dic.keys())))
#=====================================================
#阿斯克表
# print(chr(97))
# print(ord("a"))
#=====================================================
# print(pow(3,3))#3**3 三的三次方
# print(pow(3,3,2))#3**3%2 三的三次方除二（取余）
#=====================================================
# 翻转
#l = [1,2,3,4]
# print(list(reversed(l)))
# print(l)
#=====================================================
#四舍五入
# print(round(3.5))
#=====================================================
#变成集合 形式
# print(set('hello'))
#=====================================================
#切片 slice提前定义切片
# l = 'hello'
# s = slice(3,5)
# s1= slice(1,4,2)
# print(l[s1])
# 开始
# print(s1.start)
# 停止
# print(s1.stop)
# 步长
# print(s1.step)
#=====================================================
# 排序本质就是在比较大小 不同类型之间不能比较
# people = [
# {'name':'hello','age':1000},
# {'name':'shabi','age':123},
# {'name':'caonim','age':9000},
# {'name':'litinghui','age':18},
# ]
# print(sorted(people,key=lambda dic:dic['age']))
# name_dic ={
# 'aenhen':1200,
# 'shaha' :500,
# 'gcaih' :2000,
# }
# print(sorted(name_dic))#按照人名排序 比较key的大小
# print(sorted(name_dic,key=lambda key:name_dic[key]))#按照key值排序
# print(sorted(zip(name_dic.values(),name_dic.keys())))#按照 key ：values 取值
#=====================================================
# str 转换成字符串 type 查看类型
# print(str('1'))
# print(type(str({'a':1})))
# dic_str = str({'a':1})
# print(type(eval(dic_str)))
#=====================================================
# 求和
# l = [1,2,3,4,5,6,7,8,9]
# print(sum(l))
#查看类型
# print(type(l))
#=====================================================
#if type 类型判断
# msg = '123'
# if type(msg) is str :
# msg = int(msg)
# res = msg+1
# print(res)
#=====================================================
# vars 如果不传参数 就等于locals
# 如果传入一个参数 查看object 下所有方法以字典形式显示
# def test ():
# msg = "所发生的十多个"
# print(locals())
# print(vars())
# test()
# print(vars())
#
#=====================================================
