"""simple docstring"""




import os
from typing import Optional

import fsspec
from fsspec.archive import AbstractArchiveFileSystem
from fsspec.utils import DEFAULT_BLOCK_SIZE

class       a_      (     __SCREAMING_SNAKE_CASE			):
					UpperCamelCase_ :	Optional[int]			=    ''
					UpperCamelCase_ :	str			=    (
					    None  # protocol passed in prefix to the url. ex: "gzip", for gzip://file.txt::http://foo.bar/file.txt.gz
					)
					UpperCamelCase_ :	str			=    None  # compression type in fsspec. ex: "gzip"
					UpperCamelCase_ :	str			=    None  # extension of the filename to strip. ex: "".gz" to get file.txt from file.txt.gz




					def __init__(	self						:     str  ,						snake_case__						:     str = ""  ,						snake_case__						:     Optional[int] = None  ,						snake_case__						:     Optional[Any] = None  ,						**snake_case__						:     str     ):
							super().__init__(self  ,						**_a     )
							# always open as "rb" since fsspec can then use the TextIOWrapper to make it work for "r" mode
							lowerCAmelCase__        =   fsspec.open(
							    _a  ,						mode="""rb"""  ,						protocol=_a  ,						compression=self.compression  ,						client_kwargs={
							        """requote_redirect_url""": False,  # see https://github.com/huggingface/datasets/pull/5459
							        """trust_env""": True,  # Enable reading proxy env variables.
							        **(target_options or {}).pop("""client_kwargs"""  ,						{}     ),  # To avoid issues if it was already passed.
							    }  ,						**(target_options or {})  ,						)
							lowerCAmelCase__        =   os.path.basename(self.file.path.split("""::"""     )[0]     )
							lowerCAmelCase__        =   (
							    self.compressed_name[: self.compressed_name.rindex("""."""     )]
							    if """.""" in self.compressed_name
							    else self.compressed_name
							)
							lowerCAmelCase__        =   None




					@classmethod
					def 						_SCREAMING_SNAKE_CASE						(	cls						:     Tuple  ,						snake_case__						:     int     ):
							# compressed file paths are always relative to the archive root
							return super()._strip_protocol(_a     ).lstrip("""/"""     )




					def 						_SCREAMING_SNAKE_CASE						(	self						:     Tuple     ):
							if self.dir_cache is None:
									lowerCAmelCase__        =   {**self.file.fs.info(self.file.path     ), """name""": self.uncompressed_name}
									lowerCAmelCase__        =   {f["""name"""]: f}




					def 						_SCREAMING_SNAKE_CASE						(	self						:     List[str]  ,						snake_case__						:     Optional[int]     ):
							return self.file.open().read()




					def 						_SCREAMING_SNAKE_CASE						(	self						:     int  ,						snake_case__						:     List[Any]  ,						snake_case__						:     Any = "rb"  ,						snake_case__						:     Any=None  ,						snake_case__						:     Union[str, Any]=True  ,						snake_case__						:     Any=None  ,						**snake_case__						:     List[str]  ,						):
							lowerCAmelCase__        =   self._strip_protocol(_a     )
							if mode != "rb":
									raise ValueError(F"""Tried to read with mode {mode} on file {self.file.path} opened with mode \'rb\'"""     )
							return self.file.open()

class       a_      (     __SCREAMING_SNAKE_CASE			):
					UpperCamelCase_ :	int			=    'bz2'
					UpperCamelCase_ :	Optional[Any]			=    'bz2'
					UpperCamelCase_ :	List[Any]			=    '.bz2'

class       a_      (     __SCREAMING_SNAKE_CASE			):
					UpperCamelCase_ :	Tuple			=    'gzip'
					UpperCamelCase_ :	int			=    'gzip'
					UpperCamelCase_ :	str			=    '.gz'

class       a_      (     __SCREAMING_SNAKE_CASE			):
					UpperCamelCase_ :	Union[str, Any]			=    'lz4'
					UpperCamelCase_ :	str			=    'lz4'
					UpperCamelCase_ :	List[str]			=    '.lz4'

class       a_      (     __SCREAMING_SNAKE_CASE			):
					UpperCamelCase_ :	str			=    'xz'
					UpperCamelCase_ :	Optional[int]			=    'xz'
					UpperCamelCase_ :	int			=    '.xz'

class       a_      (     __SCREAMING_SNAKE_CASE			):
					UpperCamelCase_ :	List[str]			=    'zstd'
					UpperCamelCase_ :	List[str]			=    'zstd'
					UpperCamelCase_ :	Any			=    '.zst'




					def __init__(	self						:     Any  ,						snake_case__						:     List[Any]  ,						snake_case__						:     Optional[Any] = "rb"  ,						snake_case__						:     List[Any] = None  ,						snake_case__						:     int = None  ,						snake_case__						:     Tuple = DEFAULT_BLOCK_SIZE  ,						**snake_case__						:     Union[str, Any]  ,						):
							super().__init__(
							    fo=_a  ,						mode=_a  ,						target_protocol=_a  ,						target_options=_a  ,						block_size=_a  ,						**_a  ,						)
							# We need to wrap the zstd decompressor to avoid this error in fsspec==2021.7.0 and zstandard==0.15.2:
							#
							# File "/Users/user/.virtualenvs/hf-datasets/lib/python3.7/site-packages/fsspec/core.py", line 145, in open
							#     out.close = close
							# AttributeError: 'zstd.ZstdDecompressionReader' object attribute 'close' is read-only
							#
							# see https://github.com/intake/filesystem_spec/issues/725
							lowerCAmelCase__        =   self.file.__enter__

							class       a_      :




												def __init__(	self						:     int  ,						snake_case__						:     List[str]     ):
														lowerCAmelCase__        =   file_




												def __enter__(	self						:     Any     ):
														self._file.__enter__()
														return self




												def __exit__(	self						:     Optional[Any]  ,						*snake_case__						:     Optional[Any]  ,						**snake_case__						:     Union[str, Any]     ):
														self._file.__exit__(*_a  ,						**_a     )




												def __iter__(	self						:     Any     ):
														return iter(self._file     )




												def 						_SCREAMING_SNAKE_CASE						(	self						:     Tuple     ):
														return next(self._file     )




												def __getattr__(	self						:     Dict  ,						snake_case__						:     Dict     ):
														return getattr(self._file  ,						_a     )

							def fixed_enter(*snake_case__						:     Optional[int]  ,						**snake_case__						:     Optional[int]     ):
									return WrappedFile(_enter(*_a  ,						**_a     )     )

							lowerCAmelCase__        =   fixed_enter




"""simple docstring"""




def 							_UpperCAmelCase		(       lowerCamelCase__     ):





		"""simple docstring"""




		assert isinstance(lowerCamelCase__			,  lowerCamelCase__     ), f"""The input value of [n={number}] is not an integer"""

		if number == 1:
				return 2
		elif number < 1:
				lowerCAmelCase__        =   f"""The input value of [n={number}] has to be > 0"""
				raise ValueError(lowerCamelCase__     )
		else:
				lowerCAmelCase__        =   sylvester(number - 1     )
				lowerCAmelCase__        =   num - 1
				lowerCAmelCase__        =   num
				return lower * upper + 1


if __name__ == "__main__":
			print(F"The 8th number in Sylvester's sequence: {sylvester(8)}")




