human
Complete the below
def bench(func):

    ''''Times a single function.'
    '''
 ... Can you provide a the Python code you requested?
assistant
#Here is the Python code you requested.
    sys.stdout.write(('%44s            ' % format_func(func)))
    sys.stdout.flush()
    for i in xrange(3, 10):
        rounds = (1 << i)
        t = timer()
        for x in xrange(rounds):
            func()
        if ((timer() - t) >= 0.2):
            break
    def _run():
        gc.collect()
        gc.disable()
        try:
            t = timer()
            for x in xrange(rounds):
                func()
            return (((timer() - t) / rounds) * 1000)
        finally:
            gc.enable()
    delta = median((_run() for x in xrange(TEST_RUNS)))
    sys.stdout.write(('%.4f\n' % delta))
    sys.stdout.flush()
    return delta