


def 						lowerCamelCase(   a__):
				return " ".join(
				    ''''''.join(word[::-1]) if len(a__) > 4 else word for word in sentence.split())


if __name__ == "__main__":
							import doctest

							doctest.testmod()
							print(reverse_long_words('''Hey wollef sroirraw'''))



import itertools
from dataclasses import dataclass
from typing import Any, Callable, Dict, List, Optional, Union

import pandas as pd
import pyarrow as pa

import datasets
import datasets.config
from datasets.features.features import require_storage_cast
from datasets.table import table_cast
from datasets.utils.py_utils import Literal


snake_case_						:			Any													=							datasets.utils.logging.get_logger(__name__)

snake_case_						:			List[Any]													=							['''names''', '''prefix''']
snake_case_						:			Dict													=							['''warn_bad_lines''', '''error_bad_lines''', '''mangle_dupe_cols''']
snake_case_						:			Dict													=							['''encoding_errors''', '''on_bad_lines''']
snake_case_						:			Optional[Any]													=							['''date_format''']

@dataclass
class 						A__							(		datasets.BuilderConfig  ):
						UpperCAmelCase             =						","
						UpperCAmelCase             =						None
						UpperCAmelCase             =						"infer"
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						True
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						False
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						True
						UpperCAmelCase             =						True
						UpperCAmelCase             =						False
						UpperCAmelCase             =						True
						UpperCAmelCase             =						None
						UpperCAmelCase             =						"."
						UpperCAmelCase             =						None
						UpperCAmelCase             =						'"'
						UpperCAmelCase             =						0
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						None
						UpperCAmelCase             =						True
						UpperCAmelCase             =						True
						UpperCAmelCase             =						0
						UpperCAmelCase             =						True
						UpperCAmelCase             =						False
						UpperCAmelCase             =						None
						UpperCAmelCase             =						10000
						UpperCAmelCase             =						None
						UpperCAmelCase             =						"strict"
						UpperCAmelCase             =						"error"
						UpperCAmelCase             =						None




						def 							__UpperCamelCase				(       self					:      int  )							->     Union[str, Any]:


										"""simple docstring"""





										if self.delimiter is not None:
														_SCREAMING_SNAKE_CASE			  =self.delimiter
										if self.column_names is not None:
														_SCREAMING_SNAKE_CASE			  =self.column_names




						@property
						def 							__UpperCamelCase				(       self					:      Dict  )							->     List[Any]:


										"""simple docstring"""





										_SCREAMING_SNAKE_CASE			  ={
										    '''sep''': self.sep,
										    '''header''': self.header,
										    '''names''': self.names,
										    '''index_col''': self.index_col,
										    '''usecols''': self.usecols,
										    '''prefix''': self.prefix,
										    '''mangle_dupe_cols''': self.mangle_dupe_cols,
										    '''engine''': self.engine,
										    '''converters''': self.converters,
										    '''true_values''': self.true_values,
										    '''false_values''': self.false_values,
										    '''skipinitialspace''': self.skipinitialspace,
										    '''skiprows''': self.skiprows,
										    '''nrows''': self.nrows,
										    '''na_values''': self.na_values,
										    '''keep_default_na''': self.keep_default_na,
										    '''na_filter''': self.na_filter,
										    '''verbose''': self.verbose,
										    '''skip_blank_lines''': self.skip_blank_lines,
										    '''thousands''': self.thousands,
										    '''decimal''': self.decimal,
										    '''lineterminator''': self.lineterminator,
										    '''quotechar''': self.quotechar,
										    '''quoting''': self.quoting,
										    '''escapechar''': self.escapechar,
										    '''comment''': self.comment,
										    '''encoding''': self.encoding,
										    '''dialect''': self.dialect,
										    '''error_bad_lines''': self.error_bad_lines,
										    '''warn_bad_lines''': self.warn_bad_lines,
										    '''skipfooter''': self.skipfooter,
										    '''doublequote''': self.doublequote,
										    '''memory_map''': self.memory_map,
										    '''float_precision''': self.float_precision,
										    '''chunksize''': self.chunksize,
										    '''encoding_errors''': self.encoding_errors,
										    '''on_bad_lines''': self.on_bad_lines,
										    '''date_format''': self.date_format,
										}

										# some kwargs must not be passed if they don't have a default value
										# some others are deprecated and we can also not pass them if they are the default value
										for pd_read_csv_parameter in _PANDAS_READ_CSV_NO_DEFAULT_PARAMETERS + _PANDAS_READ_CSV_DEPRECATED_PARAMETERS:
														if pd_read_csv_kwargs[pd_read_csv_parameter] == getattr(CsvConfig()				,    _a  ):
																		del pd_read_csv_kwargs[pd_read_csv_parameter]

        # Remove 2.0 new arguments
										if not (datasets.config.PANDAS_VERSION.major >= 2):
														for pd_read_csv_parameter in _PANDAS_READ_CSV_NEW_2_0_0_PARAMETERS:
																		del pd_read_csv_kwargs[pd_read_csv_parameter]

        # Remove 1.3 new arguments
										if not (datasets.config.PANDAS_VERSION.major >= 1 and datasets.config.PANDAS_VERSION.minor >= 3):
														for pd_read_csv_parameter in _PANDAS_READ_CSV_NEW_1_3_0_PARAMETERS:
																		del pd_read_csv_kwargs[pd_read_csv_parameter]

										return pd_read_csv_kwargs

class 						A__							(		datasets.ArrowBasedBuilder  ):
						UpperCAmelCase             =						CsvConfig




						def 							__UpperCamelCase				(       self					:      Optional[int]  )							->     int:


										"""simple docstring"""





										return datasets.DatasetInfo(features=self.config.features  )




						def 							__UpperCamelCase				(       self					:      Dict				,    _a					:      str  )							->     List[str]:


										"""simple docstring"""





										if not self.config.data_files:
														raise ValueError(f"At least one data file must be specified, but got data_files={self.config.data_files}"  )
										_SCREAMING_SNAKE_CASE			  =dl_manager.download_and_extract(self.config.data_files  )
										if isinstance(_a				,    (str, list, tuple)  ):
														_SCREAMING_SNAKE_CASE			  =data_files
														if isinstance(_a				,    _a  ):
																		_SCREAMING_SNAKE_CASE			  =[files]
														_SCREAMING_SNAKE_CASE			  =[dl_manager.iter_files(_a  ) for file in files]
														return [datasets.SplitGenerator(name=datasets.Split.TRAIN				,    gen_kwargs={'''files''': files}  )]
										_SCREAMING_SNAKE_CASE			  =[]
										for split_name, files in data_files.items():
														if isinstance(_a				,    _a  ):
																		_SCREAMING_SNAKE_CASE			  =[files]
														_SCREAMING_SNAKE_CASE			  =[dl_manager.iter_files(_a  ) for file in files]
														splits.append(datasets.SplitGenerator(name=_a				,    gen_kwargs={'''files''': files}  )  )
										return splits




						def 							__UpperCamelCase				(       self					:      Tuple				,    _a					:      pa.Table  )							->     pa.Table:


										"""simple docstring"""





										if self.config.features is not None:
														_SCREAMING_SNAKE_CASE			  =self.config.features.arrow_schema
														if all(not require_storage_cast(_a  ) for feature in self.config.features.values()  ):
																		# cheaper cast
																		_SCREAMING_SNAKE_CASE			  =pa.Table.from_arrays([pa_table[field.name] for field in schema]				,    schema=_a  )
														else:
																		# more expensive cast; allows str <-> int/float or str to Audio for example
																		_SCREAMING_SNAKE_CASE			  =table_cast(_a				,    _a  )
										return pa_table




						def 							__UpperCamelCase				(       self					:      str				,    _a					:      Union[str, Any]  )							->     int:


										"""simple docstring"""





										_SCREAMING_SNAKE_CASE			  =self.config.features.arrow_schema if self.config.features else None
										# dtype allows reading an int column as str
										_SCREAMING_SNAKE_CASE			  =(
										    {
										        name: dtype.to_pandas_dtype() if not require_storage_cast(_a  ) else object
										        for name, dtype, feature in zip(schema.names				,    schema.types				,    self.config.features.values()  )
										    }
										    if schema is not None
										    else None
										)
										for file_idx, file in enumerate(itertools.chain.from_iterable(_a  )  ):
														_SCREAMING_SNAKE_CASE			  =pd.read_csv(_a				,    iterator=_a				,    dtype=_a				,    **self.config.pd_read_csv_kwargs  )
														try:
																		for batch_idx, df in enumerate(_a  ):
																						_SCREAMING_SNAKE_CASE			  =pa.Table.from_pandas(_a  )
																						# Uncomment for debugging (will print the Arrow table size and elements)
																						# logger.warning(f"pa_table: {pa_table} num rows: {pa_table.num_rows}")
																						# logger.warning('\n'.join(str(pa_table.slice(i, 1).to_pydict()) for i in range(pa_table.num_rows)))
																						yield (file_idx, batch_idx), self._cast_table(_a  )
														except ValueError as e:
																		logger.error(f"Failed to read file '{file}' with error {type(_a  )}: {e}"  )
																		raise