




from typing import Any

class 		lowercase_       :




					def __init__(   self:		List[str]):


									'''simple docstring'''


									__lowerCAmelCase					=  []
									__lowerCAmelCase					=  0




					def __str__(   self:		Union[str, Any]):


									'''simple docstring'''


									__lowerCAmelCase					=  """<""" + str(self.stack)[1:-1] + """>"""
									return printed




					def     _lowercase						(   self:		Optional[int],     _lowercase:		Any):


									'''simple docstring'''


									self.stack.append(_lowercase)
									__lowerCAmelCase					=  self.length + 1




					def     _lowercase						(   self:		int):


									'''simple docstring'''


									self.rotate(1)
									__lowerCAmelCase					=  self.stack[self.length - 1]
									__lowerCAmelCase					=  self.stack[:-1]
									self.rotate(self.length - 1)
									__lowerCAmelCase					=  self.length - 1
									return dequeued




					def     _lowercase						(   self:		Any,     _lowercase:		int):


									'''simple docstring'''


									for _ in range(_lowercase):
													__lowerCAmelCase					=  self.stack[0]
													__lowerCAmelCase					=  self.stack[1:]
													self.put(_lowercase)
													__lowerCAmelCase					=  self.length - 1




					def     _lowercase						(   self:		Tuple):


									'''simple docstring'''


									__lowerCAmelCase					=  self.get()
									self.put(_lowercase)
									self.rotate(self.length - 1)
									return front




					def     _lowercase						(   self:		List[str]):


									'''simple docstring'''


									return self.length










'''simple docstring'''


from dataclasses import dataclass
from typing import Callable, Optional

import datasets







@dataclass
class 						UpperCAmelCase						(		datasets.BuilderConfig):


 '''simple docstring'''




 __magic_name__       :			Optional[Callable]	=   None
 __magic_name__       :			Optional[dict]	=   None
 __magic_name__       :			Optional[datasets.Features]	=   None




 def    lowercase_	( self)			->   List[Any]:



      """simple docstring"""







      assert self.generator is not None, "generator must be specified"

      if self.gen_kwargs is None:
           a_									={}







class 						UpperCAmelCase						(		datasets.GeneratorBasedBuilder):


 '''simple docstring'''




 __magic_name__       :			Tuple	=   GeneratorConfig




 def    lowercase_	( self)			->   Tuple:



      """simple docstring"""







      return datasets.DatasetInfo(features=self.config.features)




 def    lowercase_	( self				,	lowerCAmelCase_)			->   int:



      """simple docstring"""







      return [datasets.SplitGenerator(name=datasets.Split.TRAIN				,	gen_kwargs=self.config.gen_kwargs)]




 def    lowercase_	( self				,	**lowerCAmelCase_)			->   List[Any]:



      """simple docstring"""







      for idx, ex in enumerate(self.config.generator(**lowerCAmelCase_)):
           yield idx, ex


