
'''simple docstring'''
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   a_ (      UpperCamelCase__					):




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






			def 					lowerCAmelCase__					(       self	):
				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=UpperCAmelCase					,   file_format=self._file_format					,   )
				return self.builder.as_dataset(split=self.split	)


'''simple docstring'''
from typing import Any







class   a_ :




			def __init__(       self					,   UpperCAmelCase	):
				a_      				=						data
				a_      				=						None







class   a_ :




			def __init__(       self	):
				a_      				=						None




			def 					lowerCAmelCase__					(       self	):
				a_      				=						self.head
				while temp is not None:
					print(temp.data					,   end=""" """	)
					a_      				=						temp.next
				print()




			def 					lowerCAmelCase__					(       self					,   UpperCAmelCase	):
				a_      				=						Node(UpperCAmelCase	)
				a_      				=						self.head
				a_      				=						new_node






			def 					lowerCAmelCase__					(       self					,   UpperCAmelCase					,   UpperCAmelCase	):
				if node_data_a == node_data_a:
					return
				else:
					a_      				=						self.head
					while node_a is not None and node_a.data != node_data_a:
						a_      				=						node_a.next

					a_      				=						self.head
					while node_a is not None and node_a.data != node_data_a:
						a_      				=						node_a.next

					if node_a is None or node_a is None:
						return

					a_				,  a_      				=						node_a.data, node_a.data


if __name__ == "__main__":
		lowercase__											=LinkedList()
		for i in range(5, 0, -1):
				ll.push(i)

		ll.print_list()

		ll.swap_nodes(1, 4)
		print('After swapping')
		ll.print_list()
