names (str or iterable of str) – Name(s) of nodes to drop.
errors ({"raise","ignore"}, default: "raise") – If ‘raise’, raises a KeyError if any of the node names
passed are not present as children of this node. If ‘ignore’,
any given names that are present are dropped and no error is raised.
Returns
dropped (DataTree) – A copy of the node with the specified children dropped.