How do you save a NumPy array as a file?

[pythonsevenmentor]

You can save a NumPy array as a file using different methods depending on the format you need. Here are some commonly used approaches:
1. Save as a .npy File (Binary Format)
The .npy format is NumPy's native binary file format, which is efficient and preserves data types.import numpy as np

# Create a sample NumPy array
arr = np.array([[1, 2, 3], [4, 5, 6]])

# Save the array to a file
np.save("array.npy", arr)

# Load the array back
loaded_arr = np.load("array.npy")
print(loaded_arr)

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