import numpy as np
a = np.array([[0.0, 0.0, 0.0], [10.0, 10.0, 10.0], [20.0, 20.0, 20.0], [30.0, 30.0, 30.0]])
b = np.array([1.0, 2.0, 3.0])
print ('First array:')
print(a)
print('Second array:')
print(b)
print('First Array + Second Array')
print(a + b)