human
I wrote the below code

    def func_mt(*args):
        length = len(args[0])
        result = np.empty(length, dtype=np.float64)
        args = ((result,) + args)
        chunklen = (((length + numthreads) - 1) // numthreads)
        chunks = [[arg[(i * chunklen):((i + 1) * chunklen)] for arg in args] for i in range(numthreads)]
        threads = [threading.Thread(target=inner_func, args=chunk) for chunk in chunks]
        for thread in threads:
            thread.start()
        for thread in threads:
            thread.join()
        return result
    return func_mt

What's a good function header?

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

def make_multithread(inner_func, numthreads):