
"""simple docstring"""



from __future__ import annotations




class 		a_						:







    def __init__(			self			:       int     ,					__UpperCamelCase			:       int     )		->None:






        '''simple docstring'''






        _UpperCAmelCase          =   data
        _UpperCAmelCase          =   None
        _UpperCAmelCase          =   None







def  _UpperCamelCase	(						_A      )    ->  None:  # In Order traversal of the tree





    """simple docstring"""

    if tree:
        display(tree.left      )
        print(tree.data      )
        display(tree.right      )


def  _UpperCamelCase	(						_A      )    ->  int:





    """simple docstring"""

    return 1 + max(depth_of_tree(tree.left      )					,      depth_of_tree(tree.right      )      ) if tree else 0


def  _UpperCamelCase	(						_A      )    ->  bool:





    """simple docstring"""

    if not tree:
        return True
    if tree.left and tree.right:
        return is_full_binary_tree(tree.left      ) and is_full_binary_tree(tree.right      )
    else:
        return not tree.left and not tree.right


def  _UpperCamelCase	(						)    ->  None:  # Main function for testing.





    """simple docstring"""

    _UpperCAmelCase          =   Node(1      )
    _UpperCAmelCase          =   Node(2      )
    _UpperCAmelCase          =   Node(3      )
    _UpperCAmelCase          =   Node(4      )
    _UpperCAmelCase          =   Node(5      )
    _UpperCAmelCase          =   Node(6      )
    _UpperCAmelCase          =   Node(7      )
    _UpperCAmelCase          =   Node(8      )
    _UpperCAmelCase          =   Node(9      )

    print(is_full_binary_tree(_A      )      )
    print(depth_of_tree(_A      )      )
    print("""Tree is: """      )
    display(_A      )


if __name__ == "__main__":
 main()

"""simple docstring"""



import re

from filelock import FileLock


try:
 import nltk

 a					:	str							=		True
except (ImportError, ModuleNotFoundError):
 a					:	List[str]							=		False

if NLTK_AVAILABLE:
 with FileLock('''.lock''') as lock:
  nltk.download('''punkt''', quiet=True)


def  _UpperCamelCase	(						_A      )    ->  str:





    """simple docstring"""

    re.sub("""<n>"""					,      """"""					,      _A      )  # remove pegasus newline char
    assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
    return "\n".join(nltk.sent_tokenize(_A      )      )