skbio.tree.TreeNode.pop

TreeNode.pop(index=-1)[source]

Remove a TreeNode from self.

Remove a child node by its index position. All node lookup caches are invalidated, and the parent reference for the popped node will be set to None.

Parameters:

index : int

The index position in children to pop

Returns:

TreeNode

The popped child

Examples

>>> from six import StringIO
>>> from skbio import TreeNode
>>> tree = TreeNode.read(StringIO("(a,b)c;"))
>>> print(tree.pop(0))
a;