
from __future__ import annotations

from collections import Counter
from random import random





class 	_lowerCAmelCase					:




				def __init__(					self     )				->      Union[str, Any]:
							lowerCAmelCase_						=	{}




				def      __a						(					self				,				_UpperCamelCase     )				->      None:
							lowerCAmelCase_						=	{}




				def      __a						(					self				,				_UpperCamelCase				,				_UpperCamelCase				,				_UpperCamelCase     )				->      None:
							if nodea not in self.connections:
										self.add_node(_UpperCamelCase     )
							if nodea not in self.connections:
										self.add_node(_UpperCamelCase     )
							lowerCAmelCase_						=	probability




				def      __a						(					self     )				->      list[str]:
							return list(self.connections     )




				def      __a						(					self				,				_UpperCamelCase     )				->      str:
							lowerCAmelCase_						=	0
							lowerCAmelCase_						=	random()

							for dest in self.connections[node]:
										current_probability += self.connections[node][dest]
										if current_probability > random_value:
													return dest
							return ""






def    lowerCamelCase__				(				__lowerCAmelCase  :  str    ,							__lowerCAmelCase  :  list[tuple[str, str, float]]    ,							__lowerCAmelCase  :  int				):




			"""simple docstring"""


			lowerCAmelCase_						=	MarkovChainGraphUndirectedUnweighted()

			for nodea, nodea, probability in transitions:
						graph.add_transition_probability(__lowerCAmelCase    ,							__lowerCAmelCase    ,							__lowerCAmelCase				)

			lowerCAmelCase_						=	Counter(graph.get_nodes()				)
			lowerCAmelCase_						=	start

			for _ in range(__lowerCAmelCase				):
						lowerCAmelCase_						=	graph.transition(__lowerCAmelCase				)
						visited[node] += 1

			return visited


if __name__ == "__main__":
			import doctest

			doctest.testmod()





import requests

_A   =     "https://newsapi.org/v1/articles?source=bbc-news&sortBy=top&apiKey="






def    lowerCamelCase__				(				__lowerCAmelCase  :  str				):




			"""simple docstring"""


			lowerCAmelCase_						=	requests.get(_NEWS_API + bbc_news_api_key				).json()
			# each article in the list is a dict
			for i, article in enumerate(bbc_news_page["articles"]    ,							1				):
						print(F"""{i}.) {article['title']}"""				)


if __name__ == "__main__":
			fetch_bbc_news(bbc_news_api_key="<Your BBC News API key goes here>")



