






from __future__ import annotations

import queue



class 				UpperCamelCase__		:







			def __init__(     self:  List[str]				,     UpperCAmelCase_:  Optional[int]					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  data
									_SCREAMING_SNAKE_CASE     				=  None
									_SCREAMING_SNAKE_CASE     				=  None

def 	__lowerCamelCase      (		)							->  List[str]:






						"""simple docstring"""





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

def 	__lowerCamelCase      (		snake_case__		)							->  List[Any]:






						"""simple docstring"""





						if not isinstance(_A	,_A		) or not node:
												return
						print(node.data	,end=""","""		)
						pre_order(node.left		)
						pre_order(node.right		)

def 	__lowerCamelCase      (		snake_case__		)							->  int:






						"""simple docstring"""





						if not isinstance(_A	,_A		) or not node:
												return
						in_order(node.left		)
						print(node.data	,end=""","""		)
						in_order(node.right		)

def 	__lowerCamelCase      (		snake_case__		)							->  List[Any]:






						"""simple docstring"""





						if not isinstance(_A	,_A		) or not node:
												return
						post_order(node.left		)
						post_order(node.right		)
						print(node.data	,end=""","""		)

def 	__lowerCamelCase      (		snake_case__		)							->  Optional[Any]:






						"""simple docstring"""





						if not isinstance(_A	,_A		) or not node:
												return
						_SCREAMING_SNAKE_CASE     				=  queue.Queue()
						q.put(_A		)
						while not q.empty():
												_SCREAMING_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 	__lowerCamelCase      (		snake_case__		)							->  Any:






						"""simple docstring"""





						if not isinstance(_A	,_A		) or not node:
												return
						_SCREAMING_SNAKE_CASE     				=  queue.Queue()
						q.put(_A		)
						while not q.empty():
												_SCREAMING_SNAKE_CASE     				=  []
												while not q.empty():
																		_SCREAMING_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(_A		)

def 	__lowerCamelCase      (		snake_case__		)							->  int:






						"""simple docstring"""





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

def 	__lowerCamelCase      (		snake_case__		)							->  Optional[int]:






						"""simple docstring"""





						if not isinstance(_A	,_A		) or not node:
												return
						_SCREAMING_SNAKE_CASE     				=  []
						_SCREAMING_SNAKE_CASE     				=  node
						while n or stack:
												while n:
																		stack.append(_A		)
																		_SCREAMING_SNAKE_CASE     				=  n.left
												_SCREAMING_SNAKE_CASE     				=  stack.pop()
												print(n.data	,end=""","""		)
												_SCREAMING_SNAKE_CASE     				=  n.right

def 	__lowerCamelCase      (		snake_case__		)							->  List[Any]:






						"""simple docstring"""





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

def 	__lowerCamelCase      (		snake_case__ = ""	,snake_case__=50	,snake_case__="*"		)							->  Union[str, Any]:






						"""simple docstring"""





						if not s:
												return "\n" + width * char
						_SCREAMING_SNAKE_CASE     				=  divmod(width - len(_A		) - 2	,2		)
						return F'{left * char} {s} {(left + extra) * char}'


if __name__ == "__main__":
		import doctest

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

		UpperCamelCase			    =     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())









import tempfile
import unittest

import numpy as np
from huggingface_hub import HfFolder, delete_repo
from requests.exceptions import HTTPError

from transformers import BertConfig, is_flax_available
from transformers.testing_utils import TOKEN, USER, is_staging_test, require_flax


if is_flax_available():
		import os

		from flax.core.frozen_dict import unfreeze
		from flax.traverse_util import flatten_dict

		from transformers import FlaxBertModel

		UpperCamelCase			    =     '''0.12'''  # assumed parallelism: 8



@require_flax
@is_staging_test
class 				__UpperCAmelCase		(unittest.TestCase   ):







			@classmethod
			def 							UpperCamelCase				(     cls:  Any					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  TOKEN
									HfFolder.save_token(UpperCAmelCase_					)







			@classmethod
			def 							UpperCamelCase				(     cls:  Union[str, Any]					):







									'''simple docstring'''




									try:
															delete_repo(token=cls._token				,     repo_id="""test-model-flax"""					)
									except HTTPError:
															pass

									try:
															delete_repo(token=cls._token				,     repo_id="""valid_org/test-model-flax-org"""					)
									except HTTPError:
															pass







			def 							UpperCamelCase				(     self:  str					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  BertConfig(
									    vocab_size=99				,     hidden_size=32				,     num_hidden_layers=5				,     num_attention_heads=4				,     intermediate_size=37					)
									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel(UpperCAmelCase_					)
									model.push_to_hub("""test-model-flax"""				,     use_auth_token=self._token					)

									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(F'{USER}/test-model-flax'					)

									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(model.params					)					)
									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(new_model.params					)					)

									for key in base_params.keys():
															_SCREAMING_SNAKE_CASE     				=  (base_params[key] - new_params[key]).sum().item()
															self.assertLessEqual(UpperCAmelCase_				,     1E-3				,     msg=F'{key} not identical'					)

									# Reset repo
									delete_repo(token=self._token				,     repo_id="""test-model-flax"""					)

									# Push to hub via save_pretrained
									with tempfile.TemporaryDirectory() as tmp_dir:
															model.save_pretrained(UpperCAmelCase_				,     repo_id="""test-model-flax"""				,     push_to_hub=UpperCAmelCase_				,     use_auth_token=self._token					)

									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(F'{USER}/test-model-flax'					)

									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(model.params					)					)
									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(new_model.params					)					)

									for key in base_params.keys():
															_SCREAMING_SNAKE_CASE     				=  (base_params[key] - new_params[key]).sum().item()
															self.assertLessEqual(UpperCAmelCase_				,     1E-3				,     msg=F'{key} not identical'					)







			def 							UpperCamelCase				(     self:  int					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  BertConfig(
									    vocab_size=99				,     hidden_size=32				,     num_hidden_layers=5				,     num_attention_heads=4				,     intermediate_size=37					)
									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel(UpperCAmelCase_					)
									model.push_to_hub("""valid_org/test-model-flax-org"""				,     use_auth_token=self._token					)

									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained("""valid_org/test-model-flax-org"""					)

									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(model.params					)					)
									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(new_model.params					)					)

									for key in base_params.keys():
															_SCREAMING_SNAKE_CASE     				=  (base_params[key] - new_params[key]).sum().item()
															self.assertLessEqual(UpperCAmelCase_				,     1E-3				,     msg=F'{key} not identical'					)

									# Reset repo
									delete_repo(token=self._token				,     repo_id="""valid_org/test-model-flax-org"""					)

									# Push to hub via save_pretrained
									with tempfile.TemporaryDirectory() as tmp_dir:
															model.save_pretrained(
															    UpperCAmelCase_				,     repo_id="""valid_org/test-model-flax-org"""				,     push_to_hub=UpperCAmelCase_				,     use_auth_token=self._token					)

									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained("""valid_org/test-model-flax-org"""					)

									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(model.params					)					)
									_SCREAMING_SNAKE_CASE     				=  flatten_dict(unfreeze(new_model.params					)					)

									for key in base_params.keys():
															_SCREAMING_SNAKE_CASE     				=  (base_params[key] - new_params[key]).sum().item()
															self.assertLessEqual(UpperCAmelCase_				,     1E-3				,     msg=F'{key} not identical'					)

def 	__lowerCamelCase      (		snake_case__	,snake_case__		)							->  Tuple:






						"""simple docstring"""





						_SCREAMING_SNAKE_CASE     				=  True
						_SCREAMING_SNAKE_CASE     				=  flatten_dict(modela.params		)
						_SCREAMING_SNAKE_CASE     				=  flatten_dict(modela.params		)
						for key in flat_params_a.keys():
												if np.sum(np.abs(flat_params_a[key] - flat_params_a[key]		)		) > 1e-4:
																		_SCREAMING_SNAKE_CASE     				=  False

						return models_are_equal




@require_flax
class 				__UpperCAmelCase		(unittest.TestCase   ):







			def 							UpperCamelCase				(     self:  List[Any]					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  BertConfig.from_pretrained("""hf-internal-testing/tiny-bert-flax-only"""					)
									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel(UpperCAmelCase_					)

									_SCREAMING_SNAKE_CASE     				=  """bert"""
									with tempfile.TemporaryDirectory() as tmp_dir:
															model.save_pretrained(os.path.join(UpperCAmelCase_				,     UpperCAmelCase_					)					)

															with self.assertRaises(UpperCAmelCase_					):
																					_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_					)

															_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_				,     subfolder=UpperCAmelCase_					)

									self.assertTrue(check_models_equal(UpperCAmelCase_				,     UpperCAmelCase_					)					)







			def 							UpperCamelCase				(     self:  List[str]					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  BertConfig.from_pretrained("""hf-internal-testing/tiny-bert-flax-only"""					)
									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel(UpperCAmelCase_					)

									_SCREAMING_SNAKE_CASE     				=  """bert"""
									with tempfile.TemporaryDirectory() as tmp_dir:
															model.save_pretrained(os.path.join(UpperCAmelCase_				,     UpperCAmelCase_					)				,     max_shard_size="""10KB"""					)

															with self.assertRaises(UpperCAmelCase_					):
																					_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_					)

															_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_				,     subfolder=UpperCAmelCase_					)

									self.assertTrue(check_models_equal(UpperCAmelCase_				,     UpperCAmelCase_					)					)







			def 							UpperCamelCase				(     self:  List[Any]					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  """bert"""
									_SCREAMING_SNAKE_CASE     				=  """hf-internal-testing/tiny-random-bert-subfolder"""

									with self.assertRaises(UpperCAmelCase_					):
															_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_					)

									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_				,     subfolder=UpperCAmelCase_					)

									self.assertIsNotNone(UpperCAmelCase_					)







			def 							UpperCamelCase				(     self:  Optional[Any]					):







									'''simple docstring'''




									_SCREAMING_SNAKE_CASE     				=  """bert"""
									_SCREAMING_SNAKE_CASE     				=  """hf-internal-testing/tiny-random-bert-sharded-subfolder"""
									with self.assertRaises(UpperCAmelCase_					):
															_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_					)

									_SCREAMING_SNAKE_CASE     				=  FlaxBertModel.from_pretrained(UpperCAmelCase_				,     subfolder=UpperCAmelCase_					)

									self.assertIsNotNone(UpperCAmelCase_					)

