



from typing import Any







class    A_    :



						"""simple docstring"""






						def __init__(      self				:List[Any]      )       ->    int:
												UpperCAmelCase    =				[]
												UpperCAmelCase    =				0






						def __str__(      self				:Tuple      )       ->    Any:
												UpperCAmelCase    =				'<' + str(self.stack      )[1:-1] + '>'
												return printed






						def 			UpperCAmelCase__  (      self				:str     ,						lowercase_				:Any      )       ->    Tuple:
												self.stack.append(lowercase_      )
												UpperCAmelCase    =				self.length + 1






						def 			UpperCAmelCase__  (      self				:Any      )       ->    str:
												self.rotate(1      )
												UpperCAmelCase    =				self.stack[self.length - 1]
												UpperCAmelCase    =				self.stack[:-1]
												self.rotate(self.length - 1      )
												UpperCAmelCase    =				self.length - 1
												return dequeued






						def 			UpperCAmelCase__  (      self				:int     ,						lowercase_				:int      )       ->    Optional[int]:







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






						def 			UpperCAmelCase__  (      self				:Any      )       ->    Union[str, Any]:
												UpperCAmelCase    =				self.get()
												self.put(lowercase_      )
												self.rotate(self.length - 1      )
												return front






						def 			UpperCAmelCase__  (      self				:Any      )       ->    Optional[int]:
												return self.length










"""simple docstring"""


from dataclasses import dataclass
from typing import Callable, Optional

import datasets







@dataclass
class    A_    (  datasets.BuilderConfig       ):



						"""simple docstring"""
						__UpperCamelCase	       =							None
						__UpperCamelCase	       =							None
						__UpperCamelCase	       =							None






						def 			UpperCAmelCase__  (      self				:str      )       ->    Optional[Any]:
												assert self.generator is not None, "generator must be specified"

												if self.gen_kwargs is None:
																		UpperCAmelCase    =				{}







class    A_    (  datasets.GeneratorBasedBuilder       ):



						"""simple docstring"""
						__UpperCamelCase	       =							GeneratorConfig






						def 			UpperCAmelCase__  (      self				:Union[str, Any]      )       ->    str:
												return datasets.DatasetInfo(features=self.config.features      )






						def 			UpperCAmelCase__  (      self				:List[Any]     ,						lowercase_				:List[Any]      )       ->    Union[str, Any]:
												return [datasets.SplitGenerator(name=datasets.Split.TRAIN     ,						gen_kwargs=self.config.gen_kwargs      )]






						def 			UpperCAmelCase__  (      self				:Optional[int]     ,						**lowercase_				:Dict      )       ->    str:
												for idx, ex in enumerate(self.config.generator(**lowercase_      )      ):
																		yield idx, ex





