



'''simple docstring'''



a__  :	int								=	{
    'km/h': 1.0,
    'm/s': 3.6,
    'mph': 1.60_93_44,
    'knot': 1.8_52,
}

a__  :	Union[str, Any]								=	{
    'km/h': 1.0,
    'm/s': 0.2_77_77_77_78,
    'mph': 0.6_21_37_11_92,
    'knot': 0.5_39_95_68_03,
}







def _lowercase      (     __A							,__A							,__A				):



 '''simple docstring'''



 if unit_to not in speed_chart or unit_from not in speed_chart_inverse:
  __UpperCamelCase 					=     (
      f"Incorrect \'from_type\' or \'to_type\' value: {unit_from!r}, {unit_to!r}\n"
      f"Valid values are: {', '.join(_SCREAMING_SNAKE_CASE				)}"
  )
  raise ValueError(_SCREAMING_SNAKE_CASE				)
 return round(speed * speed_chart[unit_from] * speed_chart_inverse[unit_to]							,3				)


if __name__ == "__main__":
 import doctest

 doctest.testmod()






"""simple docstring"""
def 						__a   (	_SCREAMING_SNAKE_CASE		,     _SCREAMING_SNAKE_CASE = False   )	->str:

  if not isinstance(_SCREAMING_SNAKE_CASE		,     _SCREAMING_SNAKE_CASE   ):
    a__:     Optional[int]										=	F'Expected string as input, found {type(_SCREAMING_SNAKE_CASE   )}'
    raise ValueError(_SCREAMING_SNAKE_CASE   )
  if not isinstance(_SCREAMING_SNAKE_CASE		,     _SCREAMING_SNAKE_CASE   ):
    a__:     List[str]										=	F'Expected boolean as use_pascal parameter, found {type(_SCREAMING_SNAKE_CASE   )}'
    raise ValueError(_SCREAMING_SNAKE_CASE   )

  a__:     int										=	input_str.split('_'   )

  a__:     List[str]										=	0 if use_pascal else 1

  a__:     List[str]										=	words[start_index:]

  a__:     List[str]										=	[word[0].upper() + word[1:] for word in words_to_capitalize]

  a__:     List[str]										=	'' if use_pascal else words[0]

  return "".join([initial_word, *capitalized_words]   )


if __name__ == "__main__":
 from doctest import testmod

 testmod()


