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import numpy as np # Create a simple 3x3 matrix matrix = np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0], [7.0, 8.0, 9.0]]) # Save two identical copies np.savez("matrix1.npz", arr_0=matrix) np.savez("matrix2.npz", arr_0=matrix)