




"""simple docstring"""

def 		_snake_case	(   _snake_case				:   str				)       ->   str:






      '''simple docstring'''


      _A     =  0

      # if input_string is "aba" than new_input_string become "a|b|a"
      _A     =  ''
      _A     =  ''

      # append each character + "|" in new_string for range(0, length-1)
      for i in input_string[: len(_snake_case				) - 1]:
            new_input_string += i + "|"
      # append last character
      new_input_string += input_string[-1]

      # we will store the starting and ending of previous furthest ending palindromic
      # substring
      _A  ,       _A     =  0, 0

      # length[i] shows the length of palindromic substring with center i
      _A     =  [1 for i in range(len(_snake_case				)				)]

      # for each character in new_string find corresponding palindromic string
      _A     =  0
      for j in range(len(_snake_case				)				):
            _A     =  1 if j > r else min(length[l + r - j] // 2							,    r - j + 1				)
            while (
                j - k >= 0
                and j + k < len(_snake_case				)
                and new_input_string[k + j] == new_input_string[j - k]
            ):
                  k += 1

            _A     =  2 * k - 1

            # does this string is ending after the previously explored end (that is r) ?
            # if yes the update the new r to the last index of this
            if j + k - 1 > r:
                  _A     =  j - k + 1  # noqa: E741
                  _A     =  j + k - 1

            # update max_length and start position
            if max_length < length[j]:
                  _A     =  length[j]
                  _A     =  j

    # create that string
      _A     =  new_input_string[start - max_length // 2 : start + max_length // 2 + 1]
      for i in s:
            if i != "|":
                  output_string += i

      return output_string


if __name__ == "__main__":
       import doctest

       doctest.testmod()





import math
import time

from transformers import Trainer, is_torch_tpu_available
from transformers.trainer_utils import PredictionOutput, speed_metrics


if is_torch_tpu_available(check_device=False):
 import torch_xla.core.xla_model as xm
 import torch_xla.debug.metrics as met






class 	__lowercase					(	__snake_case	):





      def __init__(		self    :       Dict       ,							*__lowerCamelCase    :       Dict       ,							__lowerCamelCase    :       Union[str, Any]=None       ,							__lowerCamelCase    :       str=None       ,							**__lowerCamelCase    :       Optional[int]							)     -> Optional[int]:






         """simple docstring"""







         super().__init__(*__lowerCamelCase       ,							**__lowerCamelCase							)
         UpperCAmelCase      					=  eval_examples
         UpperCAmelCase      					=  post_process_function





      def 							_lowercase					(		self    :       Any       ,							__lowerCamelCase    :       int=None       ,							__lowerCamelCase    :       int=None       ,							__lowerCamelCase    :       Tuple=None       ,							__lowerCamelCase    :       str = "eval"							)     -> List[str]:






         """simple docstring"""







         UpperCAmelCase      					=  self.eval_dataset if eval_dataset is None else eval_dataset
         UpperCAmelCase      					=  self.get_eval_dataloader(__lowerCamelCase							)
         UpperCAmelCase      					=  self.eval_examples if eval_examples is None else eval_examples

         # Temporarily disable metric computation, we will do it in the loop here.
         UpperCAmelCase      					=  self.compute_metrics
         UpperCAmelCase      					=  None
         UpperCAmelCase      					=  self.prediction_loop if self.args.use_legacy_prediction_loop else self.evaluation_loop
         UpperCAmelCase      					=  time.time()
         try:
            UpperCAmelCase      					=  eval_loop(
                __lowerCamelCase       ,							description="""Evaluation"""       ,							prediction_loss_only=True if compute_metrics is None else None       ,							ignore_keys=__lowerCamelCase       ,							metric_key_prefix=__lowerCamelCase       ,							)
         finally:
            UpperCAmelCase      					=  compute_metrics
         UpperCAmelCase      					=  self.args.eval_batch_size * self.args.world_size
         if F"""{metric_key_prefix}_jit_compilation_time""" in output.metrics:
            start_time += output.metrics[F"""{metric_key_prefix}_jit_compilation_time"""]
         output.metrics.update(
             speed_metrics(
                 __lowerCamelCase       ,							__lowerCamelCase       ,							num_samples=output.num_samples       ,							num_steps=math.ceil(output.num_samples / total_batch_size							)       ,							)							)
         if self.post_process_function is not None and self.compute_metrics is not None and self.args.should_save:
            # Only the main node write the results by default
            UpperCAmelCase      					=  self.post_process_function(__lowerCamelCase       ,							__lowerCamelCase       ,							output.predictions							)
            UpperCAmelCase      					=  self.compute_metrics(__lowerCamelCase							)

            # Prefix all keys with metric_key_prefix + '_'
            for key in list(metrics.keys()							):
               if not key.startswith(F"""{metric_key_prefix}_"""							):
                  UpperCAmelCase      					=  metrics.pop(__lowerCamelCase							)
            metrics.update(output.metrics							)
         else:
            UpperCAmelCase      					=  output.metrics

         if self.args.should_log:
            # Only the main node log the results by default
            self.log(__lowerCamelCase							)

         if self.args.tpu_metrics_debug or self.args.debug:
            # tpu-comment: Logging debug metrics for PyTorch/XLA (compile, execute times, ops, etc.)
            xm.master_print(met.metrics_report()							)

         UpperCAmelCase      					=  self.callback_handler.on_evaluate(self.args       ,							self.state       ,							self.control       ,							__lowerCamelCase							)
         return metrics





      def 							_lowercase					(		self    :       Optional[Any]       ,							__lowerCamelCase    :       Union[str, Any]       ,							__lowerCamelCase    :       Any       ,							__lowerCamelCase    :       Dict=None       ,							__lowerCamelCase    :       str = "test"							)     -> Dict:






         """simple docstring"""







         UpperCAmelCase      					=  self.get_test_dataloader(__lowerCamelCase							)

         # Temporarily disable metric computation, we will do it in the loop here.
         UpperCAmelCase      					=  self.compute_metrics
         UpperCAmelCase      					=  None
         UpperCAmelCase      					=  self.prediction_loop if self.args.use_legacy_prediction_loop else self.evaluation_loop
         UpperCAmelCase      					=  time.time()
         try:
            UpperCAmelCase      					=  eval_loop(
                __lowerCamelCase       ,							description="""Prediction"""       ,							prediction_loss_only=True if compute_metrics is None else None       ,							ignore_keys=__lowerCamelCase       ,							metric_key_prefix=__lowerCamelCase       ,							)
         finally:
            UpperCAmelCase      					=  compute_metrics
         UpperCAmelCase      					=  self.args.eval_batch_size * self.args.world_size
         if F"""{metric_key_prefix}_jit_compilation_time""" in output.metrics:
            start_time += output.metrics[F"""{metric_key_prefix}_jit_compilation_time"""]
         output.metrics.update(
             speed_metrics(
                 __lowerCamelCase       ,							__lowerCamelCase       ,							num_samples=output.num_samples       ,							num_steps=math.ceil(output.num_samples / total_batch_size							)       ,							)							)

         if self.post_process_function is None or self.compute_metrics is None:
            return output

         UpperCAmelCase      					=  self.post_process_function(__lowerCamelCase       ,							__lowerCamelCase       ,							output.predictions       ,							"""predict"""							)
         UpperCAmelCase      					=  self.compute_metrics(__lowerCamelCase							)

         # Prefix all keys with metric_key_prefix + '_'
         for key in list(metrics.keys()							):
            if not key.startswith(F"""{metric_key_prefix}_"""							):
               UpperCAmelCase      					=  metrics.pop(__lowerCamelCase							)
         metrics.update(output.metrics							)
         return PredictionOutput(predictions=predictions.predictions       ,							label_ids=predictions.label_ids       ,							metrics=__lowerCamelCase							)



