def test_remove_cpds(cbn_3node: CausalBayesianNetwork) -> None:
cbn_3node.remove_cpds("S")
assert "S" not in cbn_3node.model
assert cbn_3node.get_cpds("S") is None
cbn_3node.remove_cpds("D")
cbn_3node.remove_cpds("U")
def remove_node(cbn_3node: CausalBayesianNetwork) -> None:
cbn_3node.remove_node("S")
cbn_3node.remove_cpds("D")
cbn_3node.remove_cpds("U")
assert cbn_3node.nodes == []