human
I wrote the below code

    def parse_hints(hints):
        'Split    hints    into    (n,    funcs,    iterables,    gens).'
        n = 1
        (funcs, iterables, gens) = ([], [], [])
        for e in hints:
            if isinstance(e, (int, Integer)):
                n = e
            elif isinstance(e, FunctionClass):
                funcs.append(e)
            elif iterable(e):
                iterables.append((e[0], e[1:]))
                gens.extend(parallel_poly_from_expr(([e[0](x) for x in e[1:]] + [e[0](Add(*e[1:]))]))[1].gens)
            else:
                gens.append(e)
        return (n, funcs, iterables, gens)
    def build_ideal(x, terms):
        '\n                                Build    generators    for    our    ideal.    Terms    is    an    iterable    with    elements    of\n                                the    form    (fn,    coeff),    indicating    that    we    have    a    generator    fn(coeff*x).\n\n                                If    any    of    the    terms    is    trigonometric,    sin(x)    and    cos(x)    are    guaranteed\n                                to    appear    in    terms.    Similarly    for    hyperbolic    functions.    For    tan(n*x),\n                                sin(n*x)    and    cos(n*x)    are    guaranteed.\n                                '
        gens = []
        I = []
        y = Dummy('y')
        for (fn, coeff) in terms:
            for (c, s, t, rel) in ([cos, sin, tan, (((cos(x) ** 2) + (sin(x) ** 2)) - 1)], [cosh, sinh, tanh, (((cosh(x) ** 2) - (sinh(x) ** 2)) - 1)]):
                if ((coeff == 1) and (fn in [c, s])):
                    I.append(rel)
                elif (fn == t):
                    I.append(((t((coeff * x)) * c((coeff * x))) - s((coeff * x))))
                elif (fn in [c, s]):
                    cn = fn((coeff * y)).expand(trig=True).subs(y, x)
                    I.append((fn((coeff * x)) - cn))
        return list(set(I))
    def analyse_gens(gens, hints):
        '\n                                Analyse    the   ...

What's a good function header?

=====
Here's a good function header?
assistant
#Here's a good function header.

def trigsimp_groebner(expr, hints=[], quick=False, order='grlex', polynomial=False):