In [1]:

    

print('hello world')


    

    




hello world

In [2]:

    

import numpy as np


    

In [3]:

    

a = np.arange(15).reshape(3, 5)


    

In [4]:

    

a


    

    
Out[4]:





array([[ 0,  1,  2,  3,  4],
       [ 5,  6,  7,  8,  9],
       [10, 11, 12, 13, 14]])

In [5]:

    

a.ndim


    

    
Out[5]:





2

In [6]:

    

a.shape


    

    
Out[6]:





(3, 5)

In [ ]: