

from typing import Optional

import pyspark

from .. import Features, NamedSplit
from ..download import DownloadMode
from ..packaged_modules.spark.spark import Spark
from .abc import AbstractDatasetReader







class  lowercase				(       lowercase_			):




				def __init__(					self      ,   snake_case      ,   snake_case = None      ,   snake_case = None      ,   snake_case = True      ,   snake_case = None      ,   snake_case = False      ,   snake_case = None      ,   snake_case = True      ,   snake_case = "arrow"      ,   **snake_case      ,   ):
											super().__init__(
											    split=snake_case      ,   features=snake_case      ,   cache_dir=snake_case      ,   keep_in_memory=snake_case      ,   streaming=snake_case      ,   **snake_case      ,   )
											snake_case_							=    load_from_cache_file
											snake_case_							=    file_format
											snake_case_							=    Spark(
											    df=snake_case      ,   features=snake_case      ,   cache_dir=snake_case      ,   working_dir=snake_case      ,   **snake_case      ,   )




				def     a							(					self       ):
											if self.streaming:
																		return self.builder.as_streaming_dataset(split=self.split       )
											snake_case_							=    None if self._load_from_cache_file else DownloadMode.FORCE_REDOWNLOAD
											self.builder.download_and_prepare(
											    download_mode=snake_case      ,   file_format=self._file_format      ,   )
											return self.builder.as_dataset(split=self.split       )







class  lowercase				:




				def __init__(					self      ,   snake_case      ,   snake_case      ,   snake_case       ):
											snake_case_							=    name
											snake_case_							=    value
											snake_case_							=    weight




				def __repr__(					self       ):
											return F'''{self.__class__.__name__}({self.name}, {self.value}, {self.weight})'''




				def     a							(					self       ):
											return self.value




				def     a							(					self       ):
											return self.name




				def     a							(					self       ):
											return self.weight




				def     a							(					self       ):
											return self.value / self.weight





def 					__lowerCamelCase	( UpperCamelCase__   ,							UpperCamelCase__   ,							UpperCamelCase__      ):







							'''simple docstring'''






							snake_case_							=    []
							for i in range(len(UpperCamelCase__      )      ):
														menu.append(Things(name[i]   ,							value[i]   ,							weight[i]      )      )
							return menu





def 					__lowerCamelCase	( UpperCamelCase__   ,							UpperCamelCase__   ,							UpperCamelCase__      ):







							'''simple docstring'''






							snake_case_							=    sorted(UpperCamelCase__   ,							key=UpperCamelCase__   ,							reverse=UpperCamelCase__      )
							snake_case_							=    []
							snake_case_				,    snake_case_							=    0.0, 0.0
							for i in range(len(UpperCamelCase__      )      ):
														if (total_cost + items_copy[i].get_weight()) <= max_cost:
																					result.append(items_copy[i]      )
																					total_cost += items_copy[i].get_weight()
																					total_value += items_copy[i].get_value()
							return (result, total_value)





def 					__lowerCamelCase	( ):







							'''simple docstring'''








if __name__ == "__main__":
					import doctest

					doctest.testmod()




