5  Lista a tablica

import numpy as np
import time

start_time = time.time()
my_arr = np.arange(1000000)
my_list = list(range(1000000))
start_time = time.time()
my_arr2 = my_arr * 2
print("--- %s seconds ---" % (time.time() - start_time))
start_time = time.time()
my_list2 = [x * 2 for x in my_list]
print("--- %s seconds ---" % (time.time() - start_time))

--- 0.0019750595092773438 seconds ---
--- 0.03771805763244629 seconds ---