In [2]:

    

import numpy as np

an_array = np.array([1,3,5,7, 9])

print(an_array)

print(type(an_array))


    

    




[1 3 5 7 9]
<class 'numpy.ndarray'>

In [4]:

    

print(an_array.shape)


    

    




(5,)

In [7]:

    

twoD_array = np.array([[11,12,13], [21,22,23]])

print(twoD_array)
print(twoD_array.shape)


    

    




[[11 12 13]
 [21 22 23]]
(2, 3)

In [17]:

    

ex1 = np.zeros([2,2])
print(ex1)


    

    




[[ 0.  0.]
 [ 0.  0.]]

In [18]:

    

ex2 = np.full((2,2), 9)
print(ex2)


    

    




[[9 9]
 [9 9]]

In [22]:

    

ex3 = np.eye(3,2)
print(ex3)


    

    




[[ 1.  0.]
 [ 0.  1.]
 [ 0.  0.]]

In [23]:

    

ex4 = np.ones((1,2))
print(ex4)


    

    




[[ 1.  1.]]

In [24]:

    

ex5 = np.random.random((2,2))
print(ex5)


    

    




[[ 0.6159929   0.32933592]
 [ 0.25075797  0.28710947]]