make sure all sublists are only one element - iterable version

checksublistlength_iterable.py

def checkpossibility(unsatlist):
    try:
        for x in sorted(unsatlist, key=len, reverse=True):
            if len(x) > 1:
                raise Exception
            else:
                pass
        return True
    except:
        return False

def checkpossibility(unsatlist):
for x in sorted(unsatlist, key=len, reverse=True):
if len(x) > 1:
return False
else:
pass
return True

@esteigler : yeah, I had settled on that here -> https://gist.github.com/3305832