code: def clean():
      
      run('rm -rf build/')
      run('rm -rf dist/')
      run('rm -rf puzzle.egg-info')
      run('find . -name __pycache__ -delete')
      run('find . -name *.pyc -delete')
      run('find . -name *.pyo -delete')
      run('find . -name *~ -delete')
  
      log.info('cleaned up')
docs: clean - remove build artifacts.