def f7(seq):
    """
    Makes a list unique
    """
    seen = set()
    seen_add = seen.add
    return [x for x in seq if x not in seen and not seen_add(x)]
def f7(seq):
    """
    Makes a list unique
    """
    seen = set()
    seen_add = seen.add
    return [x for x in seq if x not in seen and not seen_add(x)]
def f7 ( seq ) : seen = set ( ) seen_add = seen . add return [ x for x in seq if x not in seen and not seen_add ( x ) ]
Makes a list unique
Makes a list unique