#NEWLINE# def evaluate( self , _tuple , scheme , state = None ) : #NEWLINE# #INDENT# for ( test_expr , result_expr ) in test_expr . when_tuples : #NEWLINE# #INDENT# if test_expr . evaluate ( _tuple , scheme , state ) : #NEWLINE# #INDENT# return result_expr . evaluate ( _tuple , scheme , state ) #NEWLINE# #UNINDENT# #UNINDENT# return self . else_expr . evaluate ( _tuple , scheme , state )