下面小编就为大家分享一篇python实现读取大文件并逐行写入另外一个文件，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

creazy.txt文件有4G，逐行读取其内容并写入monday.txt文件里。 def creazyRead(): ''''' with open(e:creazy.txt,r) as cr: for line in cr: print line ''' ms = open(e:creazy.txt) for line in ms: with open(e:monday.txt,a) as mon: mon.write(line)