new_contents: from setuptools import setup
  
  from SEF import __version__
  
  
  setup(
      name='SEF',
      version=__version__,
      packages=['SEF',],
      description='symmetry data encryption based on fountain code',
      author='smileboywtu',
      author_email='smileboywtu@gmail.com',
      url='https://github.com/smileboywtu/SEF',
      lisence='Apache2'
  )
  
subject: add the setup.py file