title: Is there unstack in NumPy?
body: <p>There is <a href="https://numpy.org/doc/stable/reference/generated/numpy.stack.html" rel="noreferrer">np.stack</a> in <a href="https://numpy.org/" rel="noreferrer">NumPy</a>, but is there an opposite <code>np.unstack</code> same as <a href="https://www.tensorflow.org/api_docs/python/tf/unstack" rel="noreferrer">tf.unstack</a>?</p>