





'''simple docstring'''

from __future__ import annotations

from math import pi

# Define the Reduced Planck Constant ℏ (H bar), speed of light C, value of
# Pi and the function
_A				:    Tuple     						=1.0_54_57_18_17e-34  # unit of ℏ : J * s

_A				:    str     						=3e8  # unit of c : m * s^-1







def 						__UpperCamelCase				(							_lowercase,				_lowercase,				_lowercase					) ->			dict[str, float]:

	if (force, area, distance).count(0					) != 1:
		raise ValueError('One and only one argument must be 0'					)
	if force < 0:
		raise ValueError('Magnitude of force can not be negative'					)
	if distance < 0:
		raise ValueError('Distance can not be negative'					)
	if area < 0:
		raise ValueError('Area can not be negative'					)
	if force == 0:
		_lowercase					:       Dict       =		(REDUCED_PLANCK_CONSTANT * SPEED_OF_LIGHT * pi**2 * area) / (
		    240 * (distance) ** 4
		)
		return {"force": force}
	elif area == 0:
		_lowercase					:       Optional[Any]       =		(240 * force * (distance) ** 4) / (
		    REDUCED_PLANCK_CONSTANT * SPEED_OF_LIGHT * pi**2
		)
		return {"area": area}
	elif distance == 0:
		_lowercase					:       int       =		(
		    (REDUCED_PLANCK_CONSTANT * SPEED_OF_LIGHT * pi**2 * area) / (240 * force)
		) ** (1 / 4)
		return {"distance": distance}
	raise ValueError('One and only one argument must be 0'					)


# Run doctest
if __name__ == "__main__":
		import doctest

		doctest.testmod()





'''simple docstring'''

from __future__ import annotations

import requests







def 						__UpperCamelCase				(							_lowercase					) ->			dict:
	_lowercase					:       Optional[int]       =		f'''https://hacker-news.firebaseio.com/v0/item/{story_id}.json?print=pretty'''
	return requests.get(_lowercase					).json()







def 						__UpperCamelCase				(							_lowercase = 10					) ->			list[dict]:
	_lowercase					:       Union[str, Any]       =		'https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty'
	_lowercase					:       Optional[Any]       =		requests.get(_lowercase					).json()[:max_stories]
	return [get_hackernews_story(_lowercase					) for story_id in story_ids]







def 						__UpperCamelCase				(							_lowercase = 10					) ->			str:
	_lowercase					:       Tuple       =		hackernews_top_stories(_lowercase					)
	return "\n".join('* [{title}]({url})'.format(**_lowercase					) for story in stories					)


if __name__ == "__main__":
		print(hackernews_top_stories_as_markdown())
