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：
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with open(...) as f:
for line in f:
<do something with line>
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例如：
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with open(filepath,'r') as infile:
for line in infile:
print line
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一切都交给python解释器处理，读取效率很高，且占用资源少。
*参考链接：How to read large file, line by line in python - Stack Overflow
希望本文所述对大家Python程序设计有所帮助。