Dictionary interface

keys	Get a KeysView (like you would get from dict.keys()) of this Pseudobulk dataset's cell types.
values	Get a ValuesView (like you would get from dict.values()) of (X, obs, var) tuples for each cell type in this Pseudobulk dataset.
items	Get an ItemsView (like you would get from dict.items()) of (cell_type, (X, obs, var)) tuples for each cell type in this Pseudobulk dataset.
iter_X	Iterate over each cell type's X.
iter_obs	Iterate over each cell type's obs.
iter_var	Iterate over each cell type's var.
__contains__	Check if this Pseudobulk dataset contains the specified cell type.
__or__	Combine the cell types of this Pseudobulk dataset with another.
__eq__	Test for equality with another Pseudobulk dataset.