

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				(					__lowerCamelCase			):

   def __init__(				self	:    Optional[Any]			,						lowerCamelCase__	:    pyspark.sql.DataFrame			,						lowerCamelCase__	:    Optional[NamedSplit] = None			,						lowerCamelCase__	:    Optional[Features] = None			,						lowerCamelCase__	:    bool = True			,						lowerCamelCase__	:    str = None			,						lowerCamelCase__	:    bool = False			,						lowerCamelCase__	:    str = None			,						lowerCamelCase__	:    bool = True			,						lowerCamelCase__	:    str = "arrow"			,						**lowerCamelCase__	:    Dict			,						) ->			Tuple:
         """simple docstring"""





         super().__init__(
             split=lowerCamelCase__			,						features=lowerCamelCase__			,						cache_dir=lowerCamelCase__			,						keep_in_memory=lowerCamelCase__			,						streaming=lowerCamelCase__			,						**lowerCamelCase__			,						)
         A_							       =		load_from_cache_file
         A_							       =		file_format
         A_							       =		Spark(
             df=lowerCamelCase__			,						features=lowerCamelCase__			,						cache_dir=lowerCamelCase__			,						working_dir=lowerCamelCase__			,						**lowerCamelCase__			,						)





   def     UpperCamelCase					(				self	:    Optional[Any]       ) ->			Dict:
         """simple docstring"""





         if self.streaming:
               return self.builder.as_streaming_dataset(split=self.split       )
         A_							       =		None if self._load_from_cache_file else DownloadMode.FORCE_REDOWNLOAD
         self.builder.download_and_prepare(
             download_mode=lowerCamelCase__			,						file_format=self._file_format			,						)
         return self.builder.as_dataset(split=self.split       )








__lowercase				      =						"""Alexander Joslin"""

import operator as op

from .stack import Stack







def 							_lowerCamelCase   (			SCREAMING_SNAKE_CASE   ):
      '''simple docstring'''







      A_							       =		{'''*''': op.mul, '''/''': op.truediv, '''+''': op.add, '''-''': op.sub}

      A_							       =		Stack()
      A_							       =		Stack()

      for i in equation:
            if i.isdigit():
                  # RULE 1
                  operand_stack.push(int(SCREAMING_SNAKE_CASE   )   )
            elif i in operators:
                  # RULE 2
                  operator_stack.push(SCREAMING_SNAKE_CASE   )
            elif i == ")":
                  # RULE 4
                  A_							       =		operator_stack.peek()
                  operator_stack.pop()
                  A_							       =		operand_stack.peek()
                  operand_stack.pop()
                  A_							       =		operand_stack.peek()
                  operand_stack.pop()

                  A_							       =		operators[opr](SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE   )
                  operand_stack.push(SCREAMING_SNAKE_CASE   )

    # RULE 5
      return operand_stack.peek()


if __name__ == "__main__":
      __lowercase				      =						"""(5 + ((4 * 2) * (2 + 3)))"""
      # answer = 45
      print(f'{equation} = {dijkstras_two_stack_algorithm(equation)}')





