def create_banner(message):
 if (message is None):
  versions = get_versions()
  return ('Python %s %dbits [%s]' % (versions['python'], versions['bitness'], versions['system']))
 else:
  return message

def create_banner ( message ) : if ( message is None ) : versions = get_versions ( ) return ( 'Python %s %dbits [%s]' % ( versions [ 'python' ] , versions [ 'bitness' ] , versions [ 'system' ] ) ) else : return message
create internal shell banner .