def toy_data(n_obs):
"""<STR_LIT>"""<EOL>adata = dentategyrus()<EOL>indices = np.random.choice(adata.n_obs, n_obs)<EOL>adata = adata[indices]<EOL>adata.obs_names = np.array(range(adata.n_obs), dtype='<STR_LIT:str>')<EOL>adata.var_names_make_unique()<EOL>return adata<EOL>
Randomly samples from the Dentate Gyrus dataset.

Arguments
---------
n_obs: `int`
    Size of the sampled dataset

Returns
-------
Returns `adata` object