code: 
  
  
  from collections import namedtuple
  
  lowercase_								=    namedtuple('from_to', 'from_ to')
  
  lowercase_								=    {
      'millimeter': 'mm',
      'centimeter': 'cm',
      'meter': 'm',
      'kilometer': 'km',
      'inch': 'in',
      'inche': 'in',  # Trailing 's' has been stripped off
      'feet': 'ft',
      'foot': 'ft',
      'yard': 'yd',
      'mile': 'mi',
  }
  
  lowercase_								=    {
      'mm': from_to(0.001, 10_00),
      'cm': from_to(0.01, 1_00),
      'm': from_to(1, 1),
      'km': from_to(10_00, 0.001),
      'in': from_to(0.0254, 39.3701),
      'ft': from_to(0.3048, 3.28084),
      'yd': from_to(0.9144, 1.09361),
      'mi': from_to(1609.34, 0.000621371),
  }
  
  
  def 							SCREAMING_SNAKE_CASE					(  _UpperCAmelCase							,     _UpperCAmelCase							,     _UpperCAmelCase				)    ->  float:
  						_a     =			from_type.lower().rstrip('s'				)
  						_a     =			TYPE_CONVERSION.get(_UpperCAmelCase							,     _UpperCAmelCase				)
  						_a     =			to_type.lower().rstrip('s'				)
  						_a     =			TYPE_CONVERSION.get(_UpperCAmelCase							,     _UpperCAmelCase				)
  						if new_from not in METRIC_CONVERSION:
  												_a     =			(
  												    f"""Invalid 'from_type' value: {from_type!r}.\n"""
  												    f"""Conversion abbreviations are: {', '.join(_UpperCAmelCase				)}"""
  												)
  												raise ValueError(_UpperCAmelCase				)
  						if new_to not in METRIC_CONVERSION:
  												_a     =			(
  												    f"""Invalid 'to_type' value: {to_type!r}.\n"""
  												    f"""Conversion abbreviations are: {', '.join(_UpperCAmelCase				)}"""
  												)
  												raise ValueError(_UpperCAmelCase				)
  						return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
  
  
  if __name__ == "__main__":
  		import doctest
  
  		doctest.testmod()
  
  
  
style_context: 
  
  
  from typing import TYPE_CHECKING
  
  from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tokenizers_available, is_torch_available
  
  
  lowercase_								=    {
      'configuration_codegen': ['CODEGEN_PRETRAINED_CONFIG_ARCHIVE_MAP', 'CodeGenConfig', 'CodeGenOnnxConfig'],
      'tokenization_codegen': ['CodeGenTokenizer'],
  }
  
  try:
  		if not is_tokenizers_available():
  				raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
  		pass
  else:
  		lowercase_								=    ['CodeGenTokenizerFast']
  
  try:
  		if not is_torch_available():
  				raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
  		pass
  else:
  		lowercase_								=    [
  		    'CODEGEN_PRETRAINED_MODEL_ARCHIVE_LIST',
  		    'CodeGenForCausalLM',
  		    'CodeGenModel',
  		    'CodeGenPreTrainedModel',
  		]
  
  if TYPE_CHECKING:
  		from .configuration_codegen import CODEGEN_PRETRAINED_CONFIG_ARCHIVE_MAP, CodeGenConfig, CodeGenOnnxConfig
  		from .tokenization_codegen import CodeGenTokenizer
  
  		try:
  				if not is_tokenizers_available():
  						raise OptionalDependencyNotAvailable()
  		except OptionalDependencyNotAvailable:
  				pass
  		else:
  				from .tokenization_codegen_fast import CodeGenTokenizerFast
  
  		try:
  				if not is_torch_available():
  						raise OptionalDependencyNotAvailable()
  		except OptionalDependencyNotAvailable:
  				pass
  		else:
  				from .modeling_codegen import (
  				    CODEGEN_PRETRAINED_MODEL_ARCHIVE_LIST,
  				    CodeGenForCausalLM,
  				    CodeGenModel,
  				    CodeGenPreTrainedModel,
  				)
  
  else:
  		import sys
  
  		lowercase_								=    _LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)
  
  
  