Question: 1. Use a 3D NumPy array to explain how indexing, slicing as well as three dots work. 2. Use an example to explain how to
1. Use a 3D NumPy array to explain how indexing, slicing as well as three dots work. 2. Use an example to explain how to use fancy indexing and indexing tricks to extract a region from a NumPy array, rearrange rows or columns in an extracted region as well as how to expand the dimension using original array's rows or columns
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