



"""simple docstring"""
import contextlib
import importlib
import io
import unittest

import transformers

# Try to import everything from transformers to ensure every object can be loaded.
from transformers import *  # noqa F406
from transformers.testing_utils import DUMMY_UNKNOWN_IDENTIFIER, require_flax, require_tf, require_torch
from transformers.utils import ContextManagers, find_labels, is_flax_available, is_tf_available, is_torch_available


if is_torch_available():
      from transformers import BertForPreTraining, BertForQuestionAnswering, BertForSequenceClassification

if is_tf_available():
      from transformers import TFBertForPreTraining, TFBertForQuestionAnswering, TFBertForSequenceClassification

if is_flax_available():
      from transformers import FlaxBertForPreTraining, FlaxBertForQuestionAnswering, FlaxBertForSequenceClassification


A:   Any								=		DUMMY_UNKNOWN_IDENTIFIER
# An actual model hosted on huggingface.co

A:   int								=		"main"
# Default branch name
A:   Tuple								=		"f2c752cfc5c0ab6f4bdec59acea69eefbee381c2"
# One particular commit (not the top of `main`)
A:   List[str]								=		"aaaaaaa"
# This commit does not exist, so we should 404.

A:   Any								=		"d9e9f15bc825e4b2c9249e9578f884bbcb5e3684"
# Sha-1 of config.json on the top of `main`, for checking purposes
A:   Optional[Any]								=		"4b243c475af8d0a7754e87d7d096c92e5199ec2fe168a2ee7998e3b8e9bcb1d3"

@contextlib.contextmanager
def       _snake_case						(						):
 print("""Welcome!"""						)
 yield
 print("""Bye!"""						)

@contextlib.contextmanager
def       _snake_case						(						):
 print("""Bonjour!"""						)
 yield
 print("""Au revoir!"""						)



class       SCREAMING_SNAKE_CASE__  (					unittest.TestCase ):

   def 	SCREAMING_SNAKE_CASE     (   self						)  ->      Union[str, Any]:





    '''simple docstring'''




    assert transformers.__spec__ is not None
    assert importlib.util.find_spec("""transformers"""						) is not None



class       SCREAMING_SNAKE_CASE__  (					unittest.TestCase ):

   @unittest.mock.patch("""sys.stdout"""      ,     new_callable=io.StringIO						)
   def 	SCREAMING_SNAKE_CASE     (   self      ,     _SCREAMING_SNAKE_CASE						)  ->      str:





    '''simple docstring'''




    with ContextManagers([]						):
     print("""Transformers are awesome!"""						)
    # The print statement adds a new line at the end of the output
    self.assertEqual(mock_stdout.getvalue()      ,     """Transformers are awesome!\n"""						)

   @unittest.mock.patch("""sys.stdout"""      ,     new_callable=io.StringIO						)
   def 	SCREAMING_SNAKE_CASE     (   self      ,     _SCREAMING_SNAKE_CASE						)  ->      str:





    '''simple docstring'''




    with ContextManagers([context_en()]						):
     print("""Transformers are awesome!"""						)
    # The output should be wrapped with an English welcome and goodbye
    self.assertEqual(mock_stdout.getvalue()      ,     """Welcome!\nTransformers are awesome!\nBye!\n"""						)

   @unittest.mock.patch("""sys.stdout"""      ,     new_callable=io.StringIO						)
   def 	SCREAMING_SNAKE_CASE     (   self      ,     _SCREAMING_SNAKE_CASE						)  ->      int:





    '''simple docstring'''




    with ContextManagers([context_fr(), context_en()]						):
     print("""Transformers are awesome!"""						)
    # The output should be wrapped with an English and French welcome and goodbye
    self.assertEqual(mock_stdout.getvalue()      ,     """Bonjour!\nWelcome!\nTransformers are awesome!\nBye!\nAu revoir!\n"""						)

   @require_torch
   def 	SCREAMING_SNAKE_CASE     (   self						)  ->      int:





    '''simple docstring'''




    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""labels"""]						)
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""labels""", """next_sentence_label"""]						)
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""start_positions""", """end_positions"""]						)



    class       SCREAMING_SNAKE_CASE__  (					UpperCAmelCase__ ):
       pass
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""labels"""]						)

   @require_tf
   def 	SCREAMING_SNAKE_CASE     (   self						)  ->      List[Any]:





    '''simple docstring'''




    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""labels"""]						)
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""labels""", """next_sentence_label"""]						)
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""start_positions""", """end_positions"""]						)



    class       SCREAMING_SNAKE_CASE__  (					UpperCAmelCase__ ):
       pass
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     ["""labels"""]						)




   @require_flax
   def 	SCREAMING_SNAKE_CASE     (   self						)  ->      Dict:





    '''simple docstring'''




    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     []						)
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     []						)
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     []						)



    class       SCREAMING_SNAKE_CASE__  (					UpperCAmelCase__ ):
       pass
    self.assertEqual(find_labels(_SCREAMING_SNAKE_CASE						)      ,     []						)





"""simple docstring"""
from __future__ import annotations



class       SCREAMING_SNAKE_CASE__  :

   def __init__(   self      ,     _SCREAMING_SNAKE_CASE						)  ->      None:





    '''simple docstring'''




    UpperCAmelCase	:					Any	=	data
    UpperCAmelCase	:					Node | None	=	None
    UpperCAmelCase	:					Node | None	=	None

def       _snake_case						(						UpperCamelCase						:		Node | None						):  # In Order traversal of the tree
 if tree:
  display(tree.left						)
  print(tree.data						)
  display(tree.right						)

def       _snake_case						(						UpperCamelCase						:		Node | None						):
 return 1 + max(depth_of_tree(tree.left						)			,		depth_of_tree(tree.right						)						) if tree else 0

def       _snake_case						(						UpperCamelCase						:		Node						):
 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       _snake_case						(						):  # Main function for testing.
 UpperCAmelCase	:					int	=	Node(1						)
 UpperCAmelCase	:					Tuple	=	Node(2						)
 UpperCAmelCase	:					Any	=	Node(3						)
 UpperCAmelCase	:					Optional[int]	=	Node(4						)
 UpperCAmelCase	:					Any	=	Node(5						)
 UpperCAmelCase	:					Optional[int]	=	Node(6						)
 UpperCAmelCase	:					int	=	Node(7						)
 UpperCAmelCase	:					str	=	Node(8						)
 UpperCAmelCase	:					str	=	Node(9						)

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


if __name__ == "__main__":
      main()
