本文實例講述了python簡單讀取大檔案的方法。分享給大家供大家參考，具體如下：
Python讀取大檔案（GB等級）採用的辦法很簡單：
with open(...) as f: for line in f: <do something with line>
例如：
with open(filepath,'r') as infile: for line in infile: print line
一切交給python解釋器處理，讀取效率很高，佔用資源少。
stackoverflow 參考連結：How to read large file, line by line in python - Stack Overflow
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