



'''simple docstring'''

from __future__ import annotations

import queue






class 						a_		:


							def __init__(				self   :						List[str]      ,						a_   :						Tuple			)			->					Optional[int]:
										snake_case:    Any      							=data
										snake_case:    Optional[Any]      							=None
										snake_case:    Union[str, Any]      							=None







def a_     (    )				->					Dict:





			"""simple docstring"""







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







def a_     (    __UpperCAmelCase					)				->					int:





			"""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_     (    __UpperCAmelCase					)				->					int:





			"""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_     (    __UpperCAmelCase					)				->					Optional[int]:





			"""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_     (    __UpperCAmelCase					)				->					Optional[Any]:





			"""simple docstring"""







			if not isinstance(lowercase__				,							lowercase__					) or not node:
						return
			snake_case:    Optional[int]      							=queue.Queue()
			q.put(lowercase__					)
			while not q.empty():
						snake_case:    List[Any]      							=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_     (    __UpperCAmelCase					)				->					Any:





			"""simple docstring"""







			if not isinstance(lowercase__				,							lowercase__					) or not node:
						return
			snake_case:    List[str]      							=queue.Queue()
			q.put(lowercase__					)
			while not q.empty():
						snake_case:    int      							=[]
						while not q.empty():
									snake_case:    Union[str, Any]      							=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_     (    __UpperCAmelCase					)				->					Optional[Any]:





			"""simple docstring"""







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







def a_     (    __UpperCAmelCase					)				->					List[str]:





			"""simple docstring"""







			if not isinstance(lowercase__				,							lowercase__					) or not node:
						return
			snake_case:    List[Any]      							=[]
			snake_case:    Any      							=node
			while n or stack:
						while n:
									stack.append(lowercase__					)
									snake_case:    Tuple      							=n.left
						snake_case:    Tuple      							=stack.pop()
						print(n.data				,							end=','					)
						snake_case:    Union[str, Any]      							=n.right







def a_     (    __UpperCAmelCase					)				->					Optional[Any]:





			"""simple docstring"""







			if not isinstance(lowercase__				,							lowercase__					) or not node:
						return
			snake_case							,  snake_case:    Tuple      							=[], []
			snake_case:    List[Any]      							=node
			stacka.append(lowercase__					)
			while stacka:  # to find the reversed order of post order, store it in stack2
						snake_case:    List[str]      							=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_     (    __UpperCAmelCase = ""				,							__UpperCAmelCase=50				,							__UpperCAmelCase="*"					)				->					Tuple:





			"""simple docstring"""







			if not s:
						return "\n" + width * char
			snake_case							,  snake_case:    Any      							=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							   =				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"""




import json
import os
import tempfile

from transformers.testing_utils import check_json_file_has_correct_format




class 			__snake_case   :
							__a					 =       None




							def   __a   (     self:    int   ):
										__lowerCamelCase          =      self.feature_extraction_class(**self.feat_extract_dict   )
										__lowerCamelCase          =      json.loads(feat_extract.to_json_string()   )
										for key, value in self.feat_extract_dict.items():
													self.assertEqual(obj[key]     ,							A_   )




							def   __a   (     self:    List[str]   ):
										__lowerCamelCase          =      self.feature_extraction_class(**self.feat_extract_dict   )

										with tempfile.TemporaryDirectory() as tmpdirname:
													__lowerCamelCase          =      os.path.join(A_     ,							"""feat_extract.json"""   )
													feat_extract_first.to_json_file(A_   )
													__lowerCamelCase          =      self.feature_extraction_class.from_json_file(A_   )

										self.assertEqual(feat_extract_second.to_dict()     ,							feat_extract_first.to_dict()   )




							def   __a   (     self:    Optional[Any]   ):
										__lowerCamelCase          =      self.feature_extraction_class(**self.feat_extract_dict   )

										with tempfile.TemporaryDirectory() as tmpdirname:
													__lowerCamelCase          =      feat_extract_first.save_pretrained(A_   )[0]
													check_json_file_has_correct_format(A_   )
													__lowerCamelCase          =      self.feature_extraction_class.from_pretrained(A_   )

										self.assertEqual(feat_extract_second.to_dict()     ,							feat_extract_first.to_dict()   )




							def   __a   (     self:    List[Any]   ):
										__lowerCamelCase          =      self.feature_extraction_class()
										self.assertIsNotNone(A_   )




