


'''simple docstring'''




from __future__ import annotations

import queue




class 			_lowercase :
   def __init__(						self       :      Dict       ,   SCREAMING_SNAKE_CASE_       :      Any      ) ->							int:
        __snake_case           =						data
        __snake_case           =						None
        __snake_case           =						None





def   _a		()			->			TreeNode:






     """simple docstring"""
     print('\n********Press N to stop entering at any point of time********\n'						)
     __snake_case           =						input('Enter the value of the root node: '						).strip().lower()
     __snake_case           =						queue.Queue()
     __snake_case           =						TreeNode(int(lowercase__						)						)
     q.put(lowercase__						)
     while not q.empty():
          __snake_case           =						q.get()
          __snake_case           =						f'Enter the left node of {node_found.data}: '
          __snake_case           =						input(lowercase__						).strip().lower() or 'n'
          if check == "n":
               return tree_node
          __snake_case           =						TreeNode(int(lowercase__						)						)
          __snake_case           =						left_node
          q.put(lowercase__						)
          __snake_case           =						f'Enter the right node of {node_found.data}: '
          __snake_case           =						input(lowercase__						).strip().lower() or 'n'
          if check == "n":
               return tree_node
          __snake_case           =						TreeNode(int(lowercase__						)						)
          __snake_case           =						right_node
          q.put(lowercase__						)
     raise





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     print(node.data							,   end=','						)
     pre_order(node.left						)
     pre_order(node.right						)





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     in_order(node.left						)
     print(node.data							,   end=','						)
     in_order(node.right						)





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     post_order(node.left						)
     post_order(node.right						)
     print(node.data							,   end=','						)





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     __snake_case           =						queue.Queue()
     q.put(lowercase__						)
     while not q.empty():
          __snake_case           =						q.get()
          print(node_dequeued.data							,   end=','						)
          if node_dequeued.left:
               q.put(node_dequeued.left						)
          if node_dequeued.right:
               q.put(node_dequeued.right						)





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     __snake_case           =						queue.Queue()
     q.put(lowercase__						)
     while not q.empty():
          __snake_case           =						[]
          while not q.empty():
               __snake_case           =						q.get()
               print(node_dequeued.data							,   end=','						)
               if node_dequeued.left:
                    list_.append(node_dequeued.left						)
               if node_dequeued.right:
                    list_.append(node_dequeued.right						)
          print()
          for node in list_:
               q.put(lowercase__						)





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     __snake_case           =						[]
     __snake_case           =						node
     while n or stack:
          while n:  # start from root node, find its left child
               print(n.data							,   end=','						)
               stack.append(lowercase__						)
               __snake_case           =						n.left
          # end of while means current node doesn't have left child
          __snake_case           =						stack.pop()
          # start to traverse its right child
          __snake_case           =						n.right





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     __snake_case           =						[]
     __snake_case           =						node
     while n or stack:
          while n:
               stack.append(lowercase__						)
               __snake_case           =						n.left
          __snake_case           =						stack.pop()
          print(n.data							,   end=','						)
          __snake_case           =						n.right





def   _a		(lowercase__			:   TreeNode						)			->			None:






     """simple docstring"""
     if not isinstance(lowercase__							,   lowercase__						) or not node:
          return
     __snake_case      ,       __snake_case           =						[], []
     __snake_case           =						node
     stacka.append(lowercase__						)
     while stacka:  # to find the reversed order of post order, store it in stack2
          __snake_case           =						stacka.pop()
          if n.left:
               stacka.append(n.left						)
          if n.right:
               stacka.append(n.right						)
          stacka.append(lowercase__						)
     while stacka:  # pop up from stack2 will be the post order
          print(stacka.pop().data							,   end=','						)





def   _a		(lowercase__			:   str = ""							,   lowercase__			:   Tuple=5_0							,   lowercase__			:   Optional[Any]="*"						)			->			str:






     """simple docstring"""
     if not s:
          return "\n" + width * char
     __snake_case      ,       __snake_case           =						divmod(width - len(lowercase__						) - 2							,   2						)
     return f'{left * char} {s} {(left + extra) * char}'


if __name__ == "__main__":
       import doctest

       doctest.testmod()
       print(prompt("Binary Tree Traversals"))

       _a   :   TreeNode												=   build_tree()
       print(prompt("Pre Order Traversal"))
       pre_order(node)
       print(prompt() + "\n")

       print(prompt("In Order Traversal"))
       in_order(node)
       print(prompt() + "\n")

       print(prompt("Post Order Traversal"))
       post_order(node)
       print(prompt() + "\n")

       print(prompt("Level Order Traversal"))
       level_order(node)
       print(prompt() + "\n")

       print(prompt("Actual Level Order Traversal"))
       level_order_actual(node)
       print("*" * 50 + "\n")

       print(prompt("Pre Order Traversal - Iteration Version"))
       pre_order_iter(node)
       print(prompt() + "\n")

       print(prompt("In Order Traversal - Iteration Version"))
       in_order_iter(node)
       print(prompt() + "\n")

       print(prompt("Post Order Traversal - Iteration Version"))
       post_order_iter(node)
       print(prompt())







'''simple docstring'''





from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_sentencepiece_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


UpperCamelCase_    						=       {"""configuration_mbart""": ["""MBART_PRETRAINED_CONFIG_ARCHIVE_MAP""", """MBartConfig""", """MBartOnnxConfig"""]}

try:
							if not is_sentencepiece_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_    						=       ["""MBartTokenizer"""]

try:
							if not is_tokenizers_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_    						=       ["""MBartTokenizerFast"""]

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_    						=       [
							    """MBART_PRETRAINED_MODEL_ARCHIVE_LIST""",
							    """MBartForCausalLM""",
							    """MBartForConditionalGeneration""",
							    """MBartForQuestionAnswering""",
							    """MBartForSequenceClassification""",
							    """MBartModel""",
							    """MBartPreTrainedModel""",
							]

try:
							if not is_tf_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_    						=       [
							    """TFMBartForConditionalGeneration""",
							    """TFMBartModel""",
							    """TFMBartPreTrainedModel""",
							]

try:
							if not is_flax_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_    						=       [
							    """FlaxMBartForConditionalGeneration""",
							    """FlaxMBartForQuestionAnswering""",
							    """FlaxMBartForSequenceClassification""",
							    """FlaxMBartModel""",
							    """FlaxMBartPreTrainedModel""",
							]


if TYPE_CHECKING:
							from .configuration_mbart import MBART_PRETRAINED_CONFIG_ARCHIVE_MAP, MBartConfig, MBartOnnxConfig

							try:
														if not is_sentencepiece_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_mbart import MBartTokenizer

							try:
														if not is_tokenizers_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_mbart_fast import MBartTokenizerFast

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_mbart import (
														    MBART_PRETRAINED_MODEL_ARCHIVE_LIST,
														    MBartForCausalLM,
														    MBartForConditionalGeneration,
														    MBartForQuestionAnswering,
														    MBartForSequenceClassification,
														    MBartModel,
														    MBartPreTrainedModel,
														)

							try:
														if not is_tf_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_tf_mbart import TFMBartForConditionalGeneration, TFMBartModel, TFMBartPreTrainedModel

							try:
														if not is_flax_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_flax_mbart import (
														    FlaxMBartForConditionalGeneration,
														    FlaxMBartForQuestionAnswering,
														    FlaxMBartForSequenceClassification,
														    FlaxMBartModel,
														    FlaxMBartPreTrainedModel,
														)

else:
							import sys

							UpperCamelCase_    						=       _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)





