code: 
  
  
  
  '''simple docstring'''
  
  import datasets
  
  from .evaluate import (
      apply_no_ans_threshold,
      find_all_best_thresh,
      get_raw_scores,
      make_eval_dict,
      make_qid_to_has_ans,
      merge_eval,
  )
  
  
  UpperCamelCase_     			=       "\\n@inproceedings{Rajpurkar2016SQuAD10,\n  title={SQuAD: 100, 000+ Questions for Machine Comprehension of Text},\n  author={Pranav Rajpurkar and Jian Zhang and Konstantin Lopyrev and Percy Liang},\n  booktitle={EMNLP},\n  year={2016}\n}\n"
  
  UpperCamelCase_     			=       "\nThis metric wrap the official scoring script for version 2 of the Stanford Question\nAnswering Dataset (SQuAD).\n\nStanford Question Answering Dataset (SQuAD) is a reading comprehension dataset, consisting of questions posed by\ncrowdworkers on a set of Wikipedia articles, where the answer to every question is a segment of text, or span,\nfrom the corresponding reading passage, or the question might be unanswerable.\n\nSQuAD2.0 combines the 100,000 questions in SQuAD1.1 with over 50,000 unanswerable questions\nwritten adversarially by crowdworkers to look similar to answerable ones.\nTo do well on SQuAD2.0, systems must not only answer questions when possible, but also\ndetermine when no answer is supported by the paragraph and abstain from answering.\n"
  
  UpperCamelCase_     			=       "\nComputes SQuAD v2 scores (F1 and EM).\nArgs:\n    predictions: List of triple for question-answers to score with the following elements:\n        - the question-answer 'id' field as given in the references (see below)\n        - the text of the answer\n        - the probability that the question has no answer\n    references: List of question-answers dictionaries with the following key-values:\n            - 'id': id of the question-answer pair (see above),\n            - 'answers': a list of Dict {'text': text of the answer as a string}\n    no_answer_threshold: float\n        Probability threshold to decide that a question has no answer.\nReturns:\n    'exact': Exact match (the normalized answer exactly match the gold answer)\n    'f1': The F-score of predicted tokens versus the gold answer\n    'total': Number of score considered\n    'HasAns_exact': Exact match (the normalized answer exactly match the gold answer)\n    'HasAns_f1': The F-score of predicted tokens versus the gold answer\n    'HasAns_total': Number of score considered\n    'NoAns_exact': Exact match (the normalized answer exactly match the gold answer)\n    'NoAns_f1': The F-score of predicted tokens versus the gold answer\n    'NoAns_total': Number of score considered\n    'best_exact': Best exact match (with varying threshold)\n    'best_exact_thresh': No-answer probability threshold associated to the best exact match\n    'best_f1': Best F1 (with varying threshold)\n    'best_f1_thresh': No-answer probability threshold associated to the best F1\nExamples:\n\n    >>> predictions = [{'prediction_text': '1976', 'id': '56e10a3be3433e1400422b22', 'no_answer_probability': 0.}]\n    >>> references = [{'answers': {'answer_start': [97], 'text': ['1976']}, 'id': '56e10a3be3433e1400422b22'}]\n    >>> squad_v2_metric = datasets.load_metric(\"squad_v2\")\n    >>> results = squad_v2_metric.compute(predictions=predictions, references=references)\n    >>> print(results)\n    {'exact': 100.0, 'f1': 100.0, 'total': 1, 'HasAns_exact': 100.0, 'HasAns_f1': 100.0, 'HasAns_total': 1, 'best_exact': 100.0, 'best_exact_thresh': 0.0, 'best_f1': 100.0, 'best_f1_thresh': 0.0}\n"
  
  
  @datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION							,			_KWARGS_DESCRIPTION    )
  class   a_  (datasets.Metric    ):
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           return datasets.MetricInfo(
               description=_DESCRIPTION   ,   citation=_CITATION   ,   inputs_description=_KWARGS_DESCRIPTION   ,   features=datasets.Features(
                   {
                       """predictions""": {
                           """id""": datasets.Value("""string"""  ),
                           """prediction_text""": datasets.Value("""string"""  ),
                           """no_answer_probability""": datasets.Value("""float32"""  ),
                       },
                       """references""": {
                           """id""": datasets.Value("""string"""  ),
                           """answers""": datasets.features.Sequence(
                               {"""text""": datasets.Value("""string"""  ), """answer_start""": datasets.Value("""int32"""  )}  ),
                       },
                   }  )   ,   codebase_urls=["""https://rajpurkar.github.io/SQuAD-explorer/"""]   ,   reference_urls=["""https://rajpurkar.github.io/SQuAD-explorer/"""]   ,   )
  
  
  
  
  
  
  
         def 							__UpperCamelCase       (     self   ,   snake_case_   ,   snake_case_   ,   snake_case_=1.0  ):
           _lowerCAmelCase       :  Any   				=					{p['''id''']: p['''no_answer_probability'''] for p in predictions}
           _lowerCAmelCase       :  Tuple   				=					[{'''paragraphs''': [{'''qas''': references}]}]
           _lowerCAmelCase       :  List[Any]   				=					{p['''id''']: p['''prediction_text'''] for p in predictions}
  
           _lowerCAmelCase       :  Any   				=					make_qid_to_has_ans(__UpperCamelCase  )  # maps qid to True/False
           _lowerCAmelCase       :  List[Any]   				=					[k for k, v in qid_to_has_ans.items() if v]
           _lowerCAmelCase       :  Tuple   				=					[k for k, v in qid_to_has_ans.items() if not v]
  
           _lowerCAmelCase       :  Optional[Any]   				=					get_raw_scores(__UpperCamelCase   ,   __UpperCamelCase  )
           _lowerCAmelCase       :  Tuple   				=					apply_no_ans_threshold(__UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase  )
           _lowerCAmelCase       :  Dict   				=					apply_no_ans_threshold(__UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase  )
           _lowerCAmelCase       :  int   				=					make_eval_dict(__UpperCamelCase   ,   __UpperCamelCase  )
  
           if has_ans_qids:
             _lowerCAmelCase       :  str   				=					make_eval_dict(__UpperCamelCase   ,   __UpperCamelCase   ,   qid_list=__UpperCamelCase  )
             merge_eval(__UpperCamelCase   ,   __UpperCamelCase   ,   """HasAns"""  )
           if no_ans_qids:
             _lowerCAmelCase       :  str   				=					make_eval_dict(__UpperCamelCase   ,   __UpperCamelCase   ,   qid_list=__UpperCamelCase  )
             merge_eval(__UpperCamelCase   ,   __UpperCamelCase   ,   """NoAns"""  )
           find_all_best_thresh(__UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase   ,   __UpperCamelCase  )
           return dict(__UpperCamelCase  )
  
  
  
style_context: 
  '''simple docstring'''
  
  import json
  import os
  import unittest
  
  from transformers.models.gpt_neox_japanese.tokenization_gpt_neox_japanese import (
      VOCAB_FILES_NAMES,
      GPTNeoXJapaneseTokenizer,
  )
  from transformers.testing_utils import require_tokenizers, slow
  
  from ...test_tokenization_common import TokenizerTesterMixin
  
  
  @require_tokenizers
  class   a_  (_a							,			unittest.TestCase    ):
         __lowerCAmelCase    :				List[Any]    =      GPTNeoXJapaneseTokenizer
         __lowerCAmelCase    :				Any    =      False
         __lowerCAmelCase    :				List[Any]    =      {"""do_clean_text""": False, """add_prefix_space""": False}
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           super().setUp()
  
           _lowerCAmelCase       :  Any   				=					[
               """こん""",
               """こんに""",
               """にちは""",
               """ばんは""",
               """世界,㔺界""",
               """、""",
               """。""",
               """<BR>""",
               """<SP>""",
               """<TAB>""",
               """<URL>""",
               """<EMAIL>""",
               """<TEL>""",
               """<DATE>""",
               """<PRICE>""",
               """<BLOCK>""",
               """<KIGOU>""",
               """<U2000U2BFF>""",
               """<|emoji1|>""",
               """<unk>""",
               """<|startoftext|>""",
               """<|endoftext|>""",
           ]
           _lowerCAmelCase       :  Union[str, Any]   				=					{"""emoji""": {"""\ud83d\ude00""": """<|emoji1|>"""}, """emoji_inv""": {"""<|emoji1|>""": """\ud83d\ude00"""}}  # 😀
           _lowerCAmelCase       :  Any   				=					{"""unk_token""": """<unk>"""}
  
           _lowerCAmelCase       :  Optional[int]   				=					os.path.join(self.tmpdirname   ,   VOCAB_FILES_NAMES["""vocab_file"""]  )
           _lowerCAmelCase       :  Any   				=					os.path.join(self.tmpdirname   ,   VOCAB_FILES_NAMES["""emoji_file"""]  )
           with open(self.vocab_file   ,   """w"""   ,   encoding="""utf-8"""  ) as vocab_writer:
             vocab_writer.write("""""".join([x + """\n""" for x in vocab_tokens]  )  )
           with open(self.emoji_file   ,   """w"""  ) as emoji_writer:
             emoji_writer.write(json.dumps(snake_case_  )  )
  
  
  
  
         def 							__UpperCamelCase       (     self   ,   **snake_case_  ):
           kwargs.update(self.special_tokens_map  )
           return GPTNeoXJapaneseTokenizer.from_pretrained(self.tmpdirname   ,   **snake_case_  )
  
  
  
  
         def 							__UpperCamelCase       (     self   ,   snake_case_  ):
           _lowerCAmelCase       :  Tuple   				=					"""こんにちは、世界。 \nこんばんは、㔺界。😀"""
           _lowerCAmelCase       :  str   				=					"""こんにちは、世界。 \nこんばんは、世界。😀"""
           return input_text, output_text
  
  
  
  
         def 							__UpperCamelCase       (     self   ,   snake_case_  ):
           _lowerCAmelCase				,					_lowerCAmelCase       :  str   				=					self.get_input_output_texts(snake_case_  )
           _lowerCAmelCase       :  Tuple   				=					tokenizer.encode(snake_case_   ,   add_special_tokens=snake_case_  )
           _lowerCAmelCase       :  Optional[Any]   				=					tokenizer.decode(snake_case_   ,   clean_up_tokenization_spaces=snake_case_  )
           return text, ids
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           pass  # TODO add if relevant
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           pass  # TODO add if relevant
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           pass  # TODO add if relevant
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           _lowerCAmelCase       :  List[Any]   				=					self.get_tokenizer()
  
           # Testing tokenization
           _lowerCAmelCase       :  Tuple   				=					"""こんにちは、世界。　こんばんは、㔺界。"""
           _lowerCAmelCase       :  Optional[Any]   				=					["""こん""", """にちは""", """、""", """世界""", """。""", """<SP>""", """こん""", """ばんは""", """、""", """㔺界""", """。"""]
           _lowerCAmelCase       :  Tuple   				=					tokenizer.tokenize(snake_case_  )
           self.assertListEqual(snake_case_   ,   snake_case_  )
  
           # Testing conversion to ids without special tokens
           _lowerCAmelCase       :  Optional[int]   				=					[0, 2, 5, 4, 6, 8, 0, 3, 5, 4, 6]
           _lowerCAmelCase       :  Optional[int]   				=					tokenizer.convert_tokens_to_ids(snake_case_  )
           self.assertListEqual(snake_case_   ,   snake_case_  )
  
           # Testing conversion to ids with special tokens
           _lowerCAmelCase       :  Optional[Any]   				=					tokens + [tokenizer.unk_token]
           _lowerCAmelCase       :  List[str]   				=					[0, 2, 5, 4, 6, 8, 0, 3, 5, 4, 6, 1_9]
           _lowerCAmelCase       :  Dict   				=					tokenizer.convert_tokens_to_ids(snake_case_  )
           self.assertListEqual(snake_case_   ,   snake_case_  )
  
  
  
  
         @slow
         def 							__UpperCamelCase       (     self  ):
           _lowerCAmelCase       :  int   				=					self.tokenizer_class.from_pretrained("""abeja/gpt-neox-japanese-2.7b"""  )
  
           _lowerCAmelCase       :  List[Any]   				=					tokenizer.encode("""ありがとう。"""   ,   add_special_tokens=snake_case_  )
           _lowerCAmelCase       :  List[str]   				=					tokenizer.encode("""どういたしまして。"""   ,   add_special_tokens=snake_case_  )
  
           _lowerCAmelCase       :  int   				=					tokenizer.build_inputs_with_special_tokens(snake_case_  )
           _lowerCAmelCase       :  Any   				=					tokenizer.build_inputs_with_special_tokens(snake_case_   ,   snake_case_  )
  
           assert encoded_sentence == ids_a
           assert encoded_pair == ids_a + ids_a
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           # Intentionally convert some words to accommodate character fluctuations unique to Japanese
           pass
  
  
  
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           # tokenizer has no padding token
           pass
  
  
  