def last_marker(obj):
if iselement(obj) and len(obj.holes) > 0:
return mark1(obj.holes[-1])
def first_marker(obj):
if iselement(obj) and len(obj.holes) > 0:
return mark0(obj.holes[0])
def last_marker(obj):
if iselement(obj) and len(obj.holes) > 0:
return mark1(obj.holes[-1])
def first_marker(obj):
if iselement(obj) and len(obj.holes) > 0:
return mark0(obj.holes[0])