
import copy
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, Optional, Union
@dataclass
class 					lowercase__:



	"""simple docstring"""




	a     :Optional[Union[str, Path]]       	=      None
	a     :bool       	=      False
	a     :bool       	=      False
	a     :bool       	=      False
	a     :Optional[Dict]       	=      None
	a     :Optional[str]       	=      None
	a     :bool       	=      False
	a     :bool       	=      False
	a     :bool       	=      False
	a     :bool       	=      True
	a     :Optional[int]       	=      None
	a     :int       	=      1
	a     :Optional[Union[str, bool]]       	=      None
	a     :bool       	=      False
	a     :Optional[Dict]       	=      None
	a     :Optional[str]       	=      None
	def 		_lowercase    (			self    :     List[Any]			)			->	"DownloadConfig":
					return self.__class__(**{k: copy.deepcopy(SCREAMING_SNAKE_CASE_			) for k, v in self.__dict__.items()}			)









'''simple docstring'''





class __A     :



 '''simple docstring'''







 def __init__(self					,  A			)       ->	None:


      """simple docstring"""



      _a           =    len(A			)
      _a           =    [0] * len_array

      if len_array > 0:
           _a           =    array[0]

      for i in range(1					,  A			):
           _a           =    self.prefix_sum[i - 1] + array[i]



 def    a__    (self					,  A					,  A			)       ->	int:


      """simple docstring"""



      if start == 0:
           return self.prefix_sum[end]

      return self.prefix_sum[end] - self.prefix_sum[start - 1]



 def    a__    (self					,  A			)       ->	bool:


      """simple docstring"""



      _a           =    {0}
      for sum_item in self.prefix_sum:
           if sum_item - target_sum in sums:
                return True

           sums.add(A			)

      return False


if __name__ == "__main__":
  import doctest

  doctest.testmod()



