num_py_speed.py

import time
import numpy as np

np_array = np.arange(1, 1000000)
python_list = range(1, 1000000)

np_start = time.time()
result = [i**2 for i in np_array]
np_end = time.time()
print('Total time taken by numpy = ', np_end-np_start)

py_start = time.time()
result = [i**2 for i in python_list]
py_end = time.time()
print('Total time taken by Python = ', py_end-py_start)

#Output:
# Total time taken by numpy =  0.37919187545776367
# Total time taken by Python =  0.3959920406341553