code: 
  
  
  
  
  
  
  from collections import namedtuple
  
  lowerCamelCase			:							Optional[Any]       =namedtuple('''from_to''', '''from_ to''')
  
  lowerCamelCase			:							Union[str, Any]       ={
      '''atm''': from_to(1, 1),
      '''pascal''': from_to(0.000_0098, 101325),
      '''bar''': from_to(0.98_6923, 1.0_1325),
      '''kilopascal''': from_to(0.0098_6923, 101.325),
      '''megapascal''': from_to(9.8_6923, 0.10_1325),
      '''psi''': from_to(0.06_8046, 14.6959),
      '''inHg''': from_to(0.033_4211, 29.9213),
      '''torr''': from_to(0.0013_1579, 760),
  }
  
  
  
  
  
  
  
  def 	SCREAMING_SNAKE_CASE							(      __lowerCAmelCase      ,					__lowerCAmelCase      ,					__lowerCAmelCase    )				->			float:
       if from_type not in PRESSURE_CONVERSION:
            raise ValueError(
                f'Invalid \'from_type\' value: {from_type!r}  Supported values are:\n'
                + ", ".join(__lowerCAmelCase    )    )
       if to_type not in PRESSURE_CONVERSION:
            raise ValueError(
                f'Invalid \'to_type\' value: {to_type!r}.  Supported values are:\n'
                + ", ".join(__lowerCAmelCase    )    )
       return (
           value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
       )
  
  
  if __name__ == "__main__":
   import doctest
  
   doctest.testmod()
style_context: 
  
  
  
  
  
  
  def 	SCREAMING_SNAKE_CASE							(      __lowerCAmelCase    )				->			str:
       return "".join(chr(ord(__lowerCAmelCase    ) + 32    ) if "A" <= char <= "Z" else char for char in word    )
  
  
  if __name__ == "__main__":
   from doctest import testmod
  
   testmod()