python算法集锦【四】

利用生成器,在读取大文件时,可以为程序运行节省大量内存,例如:

1 def python_read(filename):
2     with open(filename,'r',encoding='utf-8') as f:
3         while  True:
4             line = f.readline()
5             if not line:
6                 return
7             yield line
原文地址:https://www.cnblogs.com/tython/p/12782347.html