本文实例讲述了python简单读取大文件的方法。分享给大家供大家参考，具体如下：
python读取大文件（gb级别）采用的办法很简单：
with open(…) as f:
for line in f:
例如：
with open(filepath,’r’) as infile:
for line in infile:
print line
一切都交给python解释器处理，读取效率很高，且占用资源少。
stackoverflow参考链接：how to read large file, line by line in python – stack overflow
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