Decorator 3

import time


def profiler():

    def decorator(func):
        def wrapper(*args, **kwargs):
            func.last_time_taken = time.clock()
            func.calls += 1
            return func(*args, **kwargs)
        setattr(func, 'last_time_taken', 0)
        setattr(func, 'calls', 0)
        return wrapper
    return decorator