python操作txt

file=open("C:\\Users\\MLP\\Desktop\\123.txt") s="" while 1: line=file.readline() if not line: break line=line[:len(line)-2]+line[len(line)-1:] line = 'http://' + line s=s+line f=open("C:\\Users\\MLP\\Desktop\\444.txt","w") f.write(s) f.close