def reverse(self):
        """ Reverse all bumpers """
        if not self.test_drive and self.bumps:
            map(lambda b: b.reverse(), self.bumpers)
def reverse(self):
        """ Reverse all bumpers """
        if not self.test_drive and self.bumps:
            map(lambda b: b.reverse(), self.bumpers)
def reverse ( self ) : if not self . test_drive and self . bumps : map ( lambda b : b . reverse ( ) , self . bumpers )
Reverse all bumpers
Reverse all bumpers