txt=open("Automatic.txt").read()ls=txt.split()print(ls)new=open("abc.txt","w+").write(",".join(ls))a=open("abc.txt","r").read()n=a.split(",")print(n)#就是這一步開始出問題了txt.close()new.close()a.close()最后一步無法關閉文件，報錯說是AttributeError: 'str' object has no attribute 'close'，卡在這好久了，調試半天一點辦法都沒有（笑哭）