




from __future__ import annotations


class       SCREAMING_SNAKE_CASE_							:



	"""simple docstring"""


	def __init__(				self		:	Dict				,    lowerCAmelCase		:	int  )  ->					Any:







						"""simple docstring"""







						__UpperCamelCase				:  int								=			value
						__UpperCamelCase				:  Optional[int]								=			None
						__UpperCamelCase				:  int								=			None







class       SCREAMING_SNAKE_CASE_							:



	"""simple docstring"""


	__magic_name__      :					int






	def __init__(				self		:	List[str]  )  ->					Dict:







						"""simple docstring"""







						__UpperCamelCase				:  Tuple								=			0






	def 				lowerCamelCase__    (				self		:	int				,    lowerCAmelCase		:	Node | None				,    lowerCAmelCase		:	int  )  ->					Any:







						"""simple docstring"""







						if node is None:
											return

						if path_sum == self.target:
											self.paths += 1

						if node.left:
											self.depth_first_search(node.left				,    path_sum + node.left.value  )
						if node.right:
											self.depth_first_search(node.right				,    path_sum + node.right.value  )






	def 				lowerCamelCase__    (				self		:	Optional[Any]				,    lowerCAmelCase		:	Node | None				,    lowerCAmelCase		:	int | None = None  )  ->					List[str]:







						"""simple docstring"""







						if node is None:
											return 0
						if target is not None:
											__UpperCamelCase				:  str								=			target

						self.depth_first_search(a_				,    node.value  )
						self.path_sum(node.left  )
						self.path_sum(node.right  )

						return self.paths


if __name__ == "__main__":
	import doctest

	doctest.testmod()












a__		    =    {
    "kilogram": 1,
    "gram": pow(10, 3),
    "milligram": pow(10, 6),
    "metric-ton": pow(10, -3),
    "long-ton": 0.00_0984_2073,
    "short-ton": 0.00_1102_3122,
    "pound": 2.20_4624_4202,
    "stone": 0.15_7473_1728,
    "ounce": 35.2_7399_0723,
    "carrat": 5000,
    "atomic-mass-unit": 6.0_2213_6652e26,
}

a__		    =    {
    "kilogram": 1,
    "gram": pow(10, -3),
    "milligram": pow(10, -6),
    "metric-ton": pow(10, 3),
    "long-ton": 1016.0_4608,
    "short-ton": 907.184,
    "pound": 0.45_3592,
    "stone": 6.3_5029,
    "ounce": 0.028_3495,
    "carrat": 0.0002,
    "atomic-mass-unit": 1.6_6054_0199e-27,
}





def 							A__   (snake_case      :		str		,  snake_case      :		str		,  snake_case      :		float							)    ->	float:
					if to_type not in KILOGRAM_CHART or from_type not in WEIGHT_TYPE_CHART:
										__UpperCamelCase				:  Any								=			(
										    F'''Invalid \'from_type\' or \'to_type\' value: {from_type!r}, {to_type!r}\n'''
										    F'''Supported values are: {", ".join(snake_case							)}'''
										)
										raise ValueError(snake_case							)
					return value * KILOGRAM_CHART[to_type] * WEIGHT_TYPE_CHART[from_type]


if __name__ == "__main__":
	import doctest

	doctest.testmod()






