Performs iteration over tree, visiting node before and after
Parameters: | include_self : bool
|
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Returns: | GeneratorType
|
Examples
>>> from six import StringIO
>>> from skbio import TreeNode
>>> tree = TreeNode.read(StringIO("((a,b)c);"))
>>> for node in tree.pre_and_postorder():
... print(node.name)
None
c
a
b
c
None