Python decorator to time function execution

timefunc.py

import time

def timefunc(f, *args, **kwargs):
    time1 = time.time()
    result = f(*args, **kwargs)
    time2 = time.time()
    elapsed = time2 - time1
    return result, elapsed

@timefunc
def loop():
    s = 0
    for i in range(1000000):
        s += 1
    return s

print(loop) # (1000000, 0.13299798965454102)