Question

How to create 2D array with numpy in Python

Answer 1

import numpy 
  
arr = numpy.zeros((3, 2))

print(arr) 

'''
run:

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

'''

 

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Answer 2

import numpy 
  
arr = numpy.matrix([[1, 2], [3, 4], [5, 6]])

print(arr) 

'''
run:

[[1 2]
 [3 4]
 [5 6]]

'''

 

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