<s> class ListO ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , buffer = None ) : <EOL> self . _buffer = buffer <EOL> if self . _buffer is None : <EOL> self . _buffer = [ ] <EOL> def isatty ( self ) : <EOL> return False <EOL> def close ( self ) : <EOL> pass <EOL> def flush ( self ) : <EOL> pass <EOL> def seek ( self , n , mode = <NUM_LIT:0> ) : <EOL> pass <EOL> def readline ( self ) : <EOL> pass <EOL> def reset ( self ) : <EOL> pass <EOL> def write ( self , x ) : <EOL> self . _buffer . append ( x ) <EOL> def writelines ( self , x ) : <EOL> self . _buffer . extend ( x ) </s>
