n5

import time
import functools


def profiler(func):
    profiler.calls = 0
    profiler.bal = 0

    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        if profiler.bal == 0:
            profiler.calls = 0

        profiler.bal += 1
        to = time.time()
        profiler.calls += 1
        wrapper.calls = profiler.calls

        answer = func(*args, **kwargs)
        wrapper.last_time_taken = time.time() - to
        profiler.bal -= 1
        return answer
    return wrapper