How to get the dimensions of a NumPy array?

You can get the dimensions of a NumPy array using the numpy.ndim function. This function returns the number of dimensions of the input array. Here's an example:

import numpy as np

arr1 = np.array([1, 2, 3])  # one-dimensional array
arr2 = np.array([[1, 2], [3, 4]])  # two-dimensional array
arr3 = np.array([[[1, 2], [3, 4]], [[5, 6], [7, 8]]])  # three-dimensional array

print(np.ndim(arr1))  # output: 1
print(np.ndim(arr2))  # output: 2
print(np.ndim(arr3))  # output: 3

In this example, we imported NumPy, created three arrays with different dimensions, and then printed their dimensions using the numpy.ndim function. The output shows that the one-dimensional array arr1 has one dimension, the two-dimensional array arr2 has two dimensions, and the three-dimensional array arr3 has three dimensions.

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