skbio.tree.TreeNode.preorder¶
- TreeNode.preorder(include_self=True)[source]¶
Performs preorder iteration over tree
State: Experimental as of 0.4.0.
- Parameters:
include_self (bool) – include the initial node if True
- Yields:
TreeNode – Traversed node.
See also
traverse
,postorder
,pre_and_postorder
,levelorder
,tips
,non_tips
Examples
>>> from skbio import TreeNode >>> tree = TreeNode.read(["((a,b)c);"]) >>> for node in tree.preorder(): ... print(node.name) None c a b