



"""simple docstring"""




_lowerCAmelCase							:   Union[str, Any]				=				{"a": ["c", "b"], "b": ["d", "e"], "c": [], "d": [], "e": []}
_lowerCAmelCase							:   Dict				=				["a", "b", "c", "d", "e"]

def 		__snake_case		( SCREAMING_SNAKE_CASE__      :		int		,    SCREAMING_SNAKE_CASE__      :		Any		,    SCREAMING_SNAKE_CASE__      :		int							)    ->  str:





     '''simple docstring'''

     _UpperCAmelCase     :      List[Any]														=       start
     # add current to visited
     visited.append(SCREAMING_SNAKE_CASE__							)
     _UpperCAmelCase     :      Optional[Any]														=       edges[current]
     for neighbor in neighbors:
          # if neighbor not in visited, visit
          if neighbor not in visited:
               _UpperCAmelCase     :      Union[str, Any]														=       topological_sort(SCREAMING_SNAKE_CASE__		,    SCREAMING_SNAKE_CASE__		,    SCREAMING_SNAKE_CASE__							)
    # if all neighbors visited add current to sort
     sort.append(SCREAMING_SNAKE_CASE__							)
     # if all vertices haven't been visited select a new one to visit
     if len(SCREAMING_SNAKE_CASE__							) != len(SCREAMING_SNAKE_CASE__							):
          for vertice in vertices:
               if vertice not in visited:
                    _UpperCAmelCase     :      Dict														=       topological_sort(SCREAMING_SNAKE_CASE__		,    SCREAMING_SNAKE_CASE__		,    SCREAMING_SNAKE_CASE__							)
    # return sort
     return sort


if __name__ == "__main__":
 _lowerCAmelCase							:   Optional[int]				=				topological_sort("a", [], [])
 print(sort)





"""simple docstring"""




import requests

_lowerCAmelCase							:   List[Any]				=				"https://newsapi.org/v1/articles?source=bbc-news&sortBy=top&apiKey="

def 		__snake_case		( SCREAMING_SNAKE_CASE__      :		str							)    ->  None:





     '''simple docstring'''

     _UpperCAmelCase     :      List[str]														=       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>")
