def addCageGroove(derivation, negatives, positives):
 addCage(derivation, derivation.demiheight, negatives, positives)
 addGroove(derivation, negatives)

def addCageGroove ( derivation , negatives , positives ) : addCage ( derivation , derivation . demiheight , negatives , positives ) addGroove ( derivation , negatives )
add cage and groove .