Python 复制文件、移动文件、拷贝文件shutil

import shutil 
  
shutil.copyfile("hello.py","hello2.py")  #hello.txt内容复制给hello2.txt 
shutil.move("hello.py","../")            #hello.txt复制到当前目录的父目录，然后删除hello.txt 
shutil.move("hell2.txt","hello3.txt")    #hello2.txt移到当前目录并命名为hello3.py,然后删除hello2.txt