:class:`nltk.ImmutableTree`
===========================
.. currentmodule:: nltk
.. autoclass:: ImmutableTree
   :undoc-members:


Methods
-------
.. autosummary::
   :toctree:


   ~ImmutableTree.__init__
   ~ImmutableTree.append
   ~ImmutableTree.chomsky_normal_form
   ~ImmutableTree.collapse_unary
   ~ImmutableTree.convert
   ~ImmutableTree.copy
   ~ImmutableTree.count
   ~ImmutableTree.draw
   ~ImmutableTree.extend
   ~ImmutableTree.flatten
   ~ImmutableTree.freeze
   ~ImmutableTree.fromstring
   ~ImmutableTree.height
   ~ImmutableTree.index
   ~ImmutableTree.insert
   ~ImmutableTree.label
   ~ImmutableTree.leaf_treeposition
   ~ImmutableTree.leaves
   ~ImmutableTree.pformat
   ~ImmutableTree.pformat_latex_qtree
   ~ImmutableTree.pop
   ~ImmutableTree.pos
   ~ImmutableTree.pprint
   ~ImmutableTree.pretty_print
   ~ImmutableTree.productions
   ~ImmutableTree.remove
   ~ImmutableTree.reverse
   ~ImmutableTree.set_label
   ~ImmutableTree.sort
   ~ImmutableTree.subtrees
   ~ImmutableTree.treeposition_spanning_leaves
   ~ImmutableTree.treepositions
   ~ImmutableTree.un_chomsky_normal_form
   ~ImmutableTree.unicode_repr





Attributes
----------
.. autosummary::
  :toctree:


   ~ImmutableTree.node