python逐行读写

代码：

fileReadObj = open("input.txt")
fileWriteObj = open("output.txt", 'w')
fileLineText = fileReadObj.readline()
while ('' != fileLineText):
	string = fileLineText
	fileWriteObj.write(string)
	fileLineText = fileReadObj.readline()    

fileReadObj.close()
fileWriteObj.close()