https://scanpy.readthedocs.io/en/stable/generated/scanpy.pp.sample.html#scanpy.pp.sample
scanpy.pp.sample(anndata, n=, rng=, axis='obs', copy=True)
https://scanpy.readthedocs.io/en/stable/generated/scanpy.pp.sample.html#scanpy.pp.sample
scanpy.pp.sample(anndata, n=, rng=, axis='obs', copy=True)