human
I wrote the below code

    def inner(_it, _timer, _func=func):
        setup()
        _t0 = _timer()
        for _i in _it:
            _func()
        _t1 = _timer()
        return (_t1 - _t0)
    return inner

What's a good function header?

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

def _template_func(setup, func):