
import copy
from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import ClassLabel, Features, Value
from .base import TaskTemplate




@dataclass(frozen=_A     )
class        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		field(default="""text-classification"""  ,       metadata={"""include_in_asdict_even_if_is_default""": True}     )
  a__           =		Features({"""text""": Value("""string"""     )}     )
  a__           =		Features({"""labels""": ClassLabel}     )
  a__           =		"text"
  a__           =		"labels"
  def 							_lowercase							( self			: Tuple			,							UpperCamelCase__			: Dict    )			->	Dict:







    """simple docstring"""






    if self.label_column not in features:
      raise ValueError(F'''Column {self.label_column} is not present in features.'''    )
    if not isinstance(features[self.label_column]			,							UpperCamelCase__    ):
      raise ValueError(F'''Column {self.label_column} is not a ClassLabel.'''    )
    __magic_name__				     =       copy.deepcopy(self    )
    __magic_name__				     =       self.label_schema.copy()
    __magic_name__				     =       features[self.label_column]
    __magic_name__				     =       label_schema
    return task_template





  @property
  def 							_lowercase							( self			: Optional[int]    )			->	Dict[str, str]:







    """simple docstring"""






    return {
        self.text_column: "text",
        self.label_column: "labels",
    }



from __future__ import annotations

lowercase__		:Any   =    1.60_21E-19  # units = C



def        UpperCamelCase    (							lowerCAmelCase__ ,			lowerCAmelCase__ ,			lowerCAmelCase__ ,			):
					'''simple docstring'''
					if (conductivity, electron_conc, mobility).count(0		) != 1:
										raise ValueError('''You cannot supply more or less than 2 values'''		)
					elif conductivity < 0:
										raise ValueError('''Conductivity cannot be negative'''		)
					elif electron_conc < 0:
										raise ValueError('''Electron concentration cannot be negative'''		)
					elif mobility < 0:
										raise ValueError('''mobility cannot be negative'''		)
					elif conductivity == 0:
										return (
										    "conductivity",
										    mobility * electron_conc * ELECTRON_CHARGE,
										)
					elif electron_conc == 0:
										return (
										    "electron_conc",
										    conductivity / (mobility * ELECTRON_CHARGE),
										)
					else:
										return (
										    "mobility",
										    conductivity / (electron_conc * ELECTRON_CHARGE),
										)


if __name__ == "__main__":
							import doctest

							doctest.testmod()




