#NEWLINE# def boolean_ops( ) : #NEWLINE# #INDENT# '\n    Boolean operators\n    ' #NEWLINE# names = [ 'negation' , 'conjunction' , 'disjunction' , 'implication' , 'equivalence' ] #NEWLINE# for pair in zip ( names , [ Tokens . NOT , Tokens . AND , Tokens . OR , Tokens . IMP , Tokens . IFF ] ) : #NEWLINE# #INDENT# print ( ( '%-15s\t%s' % names ) )