CODE EXAMPLE FOR PYTHON

save set of numpy arrays to file py

>>> with open('test.npy', 'wb') as f:
		np.save(f, np.array([1, 2]))
		np.save(f, np.array([1, 3]))
>>> with open('test.npy', 'rb') as f:
		a = np.load(f)
		b = np.load(f)
>>> print(a, b)
# [1 2] [1 3]