create a 3d array python code example

Example: python 3d array

Explaination:
	import numpy as np

	np.zeros(the amount of arrays, amount of rows, the amount of colums)
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Usage:
	array_city = np.zeros((2, 3, 4))
	print(array_city)
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Results:
[
    [
      [0. 0. 0. 0.],
  	  [0. 0. 0. 0.],
      [0. 0. 0. 0.],
    ],
      
    [
      [0. 0. 0. 0.],
      [0. 0. 0. 0.],
      [0. 0. 0. 0.],
    ]
]