code: 
  
  
  
  '''simple docstring'''
  
  
  
  import unittest
  
  from transformers import BlenderbotTokenizer, BlenderbotTokenizerFast
  from transformers.utils import cached_property
  class        UpperCAmelCase__  (    unittest.TestCase):
  
  
  
  	@cached_property
  	def    __lowerCamelCase				(  self			)  ->							int:
  		return BlenderbotTokenizer.from_pretrained("""facebook/blenderbot-3B"""			)
  
  
  
  	@cached_property
  	def    __lowerCamelCase				(  self			)  ->							Optional[int]:
  		return BlenderbotTokenizerFast.from_pretrained("""facebook/blenderbot-3B"""			)
  
  
  
  	def    __lowerCamelCase				(  self			)  ->							List[str]:
  		__UpperCamelCase				      =  self.tokenizer_ab
  		__UpperCamelCase				      =  """ I am a small frog."""
  		__UpperCamelCase				      =  tok([src_text]		,	padding=lowercase		,	truncation=lowercase			)["""input_ids"""]
  		__UpperCamelCase				      =  tok.batch_decode(lowercase		,	skip_special_tokens=lowercase		,	clean_up_tokenization_spaces=lowercase			)[0]
  		assert src_text == decoded
  
  
  
  	def    __lowerCamelCase				(  self			)  ->							str:
  		__UpperCamelCase				      =  self.rust_tokenizer_ab
  		__UpperCamelCase				      =  """ I am a small frog."""
  		__UpperCamelCase				      =  tok([src_text]		,	padding=lowercase		,	truncation=lowercase			)["""input_ids"""]
  		__UpperCamelCase				      =  tok.batch_decode(lowercase		,	skip_special_tokens=lowercase		,	clean_up_tokenization_spaces=lowercase			)[0]
  		assert src_text == decoded
  
  
  
  	def    __lowerCamelCase				(  self			)  ->							str:
  		assert self.tokenizer_ab.add_prefix_space
  		assert self.tokenizer_ab([""" Sam""", """Sam"""]			).input_ids == [[5_5_0_2, 2], [5_5_0_2, 2]]
  
  
  
  
  	def    __lowerCamelCase				(  self			)  ->							Any:
  		assert self.rust_tokenizer_ab.add_prefix_space
  		assert self.rust_tokenizer_ab([""" Sam""", """Sam"""]			).input_ids == [[5_5_0_2, 2], [5_5_0_2, 2]]
  
  
  
  
  
  
style_context: 
  
  
  
  '''simple docstring'''
  
  
  
  from .stack import Stack
  
  
  
  
  
  
  
  def _lowercase   (  __A       ):
  
  
  
   '''simple docstring'''
  
  
  
   __UpperCamelCase				      =  Stack()
   __UpperCamelCase				      =  {"""(""": """)""", """[""": """]""", """{""": """}"""}
   for bracket in parentheses:
    if bracket in bracket_pairs:
     stack.push(__A       )
    elif bracket in (")", "]", "}"):
     if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
      return False
   return stack.is_empty()
  
  
  if __name__ == "__main__":
   from doctest import testmod
  
   testmod()
  
   a__						:			List[Any]										=			['((()))', '((())', '(()))']
   print('Balanced parentheses demonstration:\n')
   for example in examples:
    a__						:			int										=			'' if balanced_parentheses(example) else 'not '
    print(f'''{example} is {not_str}balanced''')
  
  
  
  
  
  