摘要：
#enumerate() 函数用于将一个可遍历的数据对象(如列表、元组或字符串)组合为一个索引序列，同时列出数据和数据下标，一般用在 for 循环当中lis=["a","b","c","d","e"] for i,j in enumerate(lis): print i,"==",j # 因为ite 阅读全文
摘要：
def fib(n): one=0 two=1 while n>0: one,two=two,one+two n-=1 yield two print [i for i in fib(10)] print next(fib(10)) 结果# [1, 2, 3, 5, 8, 13, 21, 34, 5 阅读全文