python functions for time code example

Example 1: python time method

from time import sleep, time

start = time()
sleep(2)
print(format(time() - start, '.3f'), 's', sep='') # 2.003s

Example 2: time a function python

Proper answer to timing a loop over a function multiple times
import timeit
timeit.timeit('func_to_time()',globals=globals(),number=1000)