numpy generate random 2d array code example

Example 1: print column in 2d numpy array

import numpy as np
x=np.arange(25).reshape(5,5)
print(x)
#print(x[:,index_of_column_you_need])
print(x[:,3])

Example 2: numpy generate random 2d array

import numpy as np
a=np.random.rand(3,3)
print(a)

Example 3: numpy generate random 2d array

import numpy as np
a=np.random.rand(3,3)
print(a)