method
nditer.copy()
Get a copy of the iterator in its current state.
>>> x = np.arange(10) >>> y = x + 1 >>> it = np.nditer([x, y]) >>> next(it) (array(0), array(1)) >>> it2 = it.copy() >>> next(it2) (array(1), array(2))
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https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.nditer.copy.html