# 三元表达式
# name = input('请输入姓名:')
# res = 'SB' if name=='张明辉' else '帅哥'
# print(res)
#=====================================================
# f = open('日志文件','rb')
# data = f.readlines()
# print(data[-1].decode('utf-8'))
# #循环文件推荐方式 》
# # for i in f:
# # print(i)
# for i in f :
# offs = 10
# # f.seek(-3,2)
#=====================================================
#列表解析
# egg_list = []
# for i in range(10):
# egg_list.append('鸡蛋%s' %i)
# print(egg_list)
##########引申三元表达式
# l = ['鸡蛋%s' %i for i in range(10) ]
# l1 = ['鸡蛋%s' %i for i in range(10) if i > 5 ]
# l2 = ['鸡蛋%s' %i for i in range(10) if i < 5 ]
# # l1 = ['鸡蛋%s' %i for i in range(10) if i > 5 else i ] 没有四元表达式
# print(l)
# print(l1)
# laomuji = ('鸡蛋%s' %i for i in range(10))
# print(laomuji)
# print(laomuji.__next__())
# print(next(laomuji))
# print(next(laomuji))
# print(next(laomuji))
# print(next(laomuji))
#=====================================================
#map (函数,可迭代对象)
# print(sum(list(range(100000))))
#=====================================================