ftt

valid_range = range(0, 10)

def check_list(l):
    return type(l) == list and len(l) == 9

def check_values(l):
    counts_ok = not any([l.count(e) - 1 for e in l if e != 0])
    ranges_ok = (len([e for e in l if e in valid_range]) == len(l))
    return counts_ok and ranges_ok