Timeit Simple

import timeit
import numpy as np

def add(x, y):
    return x + y

repeat_number = 100000
e = timeit.repeat(
    stmt='''add(a, b)''', 
    setup='''a=2; b=3;from __main__ import add''', 
    repeat=3,
    number=repeat_number)

print('Method: {}, Avg.: {:.6f}'.format("eta", np.array(e).mean()))