numpy.concatenate((a1, a2, ...), axis=0) Join a sequence of arrays along an existing axis.
numpy.rot90(m, k=1)
numpy.asarray(a, dtype=None, order=None)
numpy.asfortranarray(a, dtype=None)
numpy.require(a, dtype=None, requirements=None)
numpy.broadcast_arrays(*args, **kwargs)
numpy.array_split(ary, indices_or_sections, axis=0)
numpy.vstack(tup)
numpy.asanyarray(a, dtype=None, order=None)
ndarray.flatten(order='C') Return a copy of the array collapsed into one dimension.
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