




class 		UpperCamelCase__	:

    '''simple docstring'''



    def __init__(    self     ,  UpperCamelCase__     ,  UpperCamelCase__=None     ,  UpperCamelCase__=None     )     ->      Tuple:
           lowerCamelCase   :      Tuple			 =					data
           lowerCamelCase   :      str			 =					previous
           lowerCamelCase   :      List[str]			 =					next_node







    def __str__(    self     )     ->      str:
           return F'''{self.data}'''







    def     _lowercase     (    self     )     ->      int:
           return self.data







    def     _lowercase     (    self     )     ->      Dict:
           return self.next







    def     _lowercase     (    self     )     ->      Optional[int]:
           return self.previous




class 		UpperCamelCase__	:

    '''simple docstring'''



    def __init__(    self     ,  UpperCamelCase__     )     ->      Dict:
           lowerCamelCase   :      Optional[int]			 =					head







    def __iter__(    self     )     ->      List[str]:
           return self







    def     _lowercase     (    self     )     ->      Any:
           if not self.current:
                  raise StopIteration
           else:
                  lowerCamelCase   :      str			 =					self.current.get_data()
                  lowerCamelCase   :      Union[str, Any]			 =					self.current.get_next()
                  return value




class 		UpperCamelCase__	:

    '''simple docstring'''



    def __init__(    self     )     ->      str:
           lowerCamelCase   :      Dict			 =					None  # First node in list
           lowerCamelCase   :      Any			 =					None  # Last node in list







    def __str__(    self     )     ->      Union[str, Any]:
           lowerCamelCase   :      Optional[Any]			 =					self.head
           lowerCamelCase   :      List[str]			 =					[]
           while current is not None:
                  nodes.append(current.get_data()     )
                  lowerCamelCase   :      Any			 =					current.get_next()
           return " ".join(str(UpperCamelCase__     ) for node in nodes     )







    def __contains__(    self     ,  UpperCamelCase__     )     ->      str:
           lowerCamelCase   :      int			 =					self.head
           while current:
                  if current.get_data() == value:
                         return True
                  lowerCamelCase   :      Tuple			 =					current.get_next()
           return False







    def __iter__(    self     )     ->      Tuple:
           return LinkedListIterator(self.head     )







    def     _lowercase     (    self     )     ->      str:
           if self.head:
                  return self.head.get_data()
           return None







    def     _lowercase     (    self     )     ->      Optional[Any]:
           if self.tail:
                  return self.tail.get_data()
           return None







    def     _lowercase     (    self     ,  UpperCamelCase__     )     ->      None:
           if self.head is None:
                  lowerCamelCase   :      Union[str, Any]			 =					node
                  lowerCamelCase   :      Any			 =					node
           else:
                  self.insert_before_node(self.head     ,  UpperCamelCase__     )







    def     _lowercase     (    self     ,  UpperCamelCase__     )     ->      None:
           if self.head is None:
                  self.set_head(UpperCamelCase__     )
           else:
                  self.insert_after_node(self.tail     ,  UpperCamelCase__     )







    def     _lowercase     (    self     ,  UpperCamelCase__     )     ->      None:
           lowerCamelCase   :      List[Any]			 =					Node(UpperCamelCase__     )
           if self.head is None:
                  self.set_head(UpperCamelCase__     )
           else:
                  self.set_tail(UpperCamelCase__     )







    def     _lowercase     (    self     ,  UpperCamelCase__     ,  UpperCamelCase__     )     ->      None:
           lowerCamelCase   :      Union[str, Any]			 =					node
           lowerCamelCase   :      Dict			 =					node.previous

           if node.get_previous() is None:
                  lowerCamelCase   :      int			 =					node_to_insert
           else:
                  lowerCamelCase   :      Dict			 =					node_to_insert

           lowerCamelCase   :      List[Any]			 =					node_to_insert







    def     _lowercase     (    self     ,  UpperCamelCase__     ,  UpperCamelCase__     )     ->      None:
           lowerCamelCase   :      str			 =					node
           lowerCamelCase   :      Tuple			 =					node.next

           if node.get_next() is None:
                  lowerCamelCase   :      Optional[Any]			 =					node_to_insert
           else:
                  lowerCamelCase   :      Optional[int]			 =					node_to_insert

           lowerCamelCase   :      Union[str, Any]			 =					node_to_insert







    def     _lowercase     (    self     ,  UpperCamelCase__     ,  UpperCamelCase__     )     ->      None:
           lowerCamelCase   :      Any			 =					1
           lowerCamelCase   :      Optional[int]			 =					Node(UpperCamelCase__     )
           lowerCamelCase   :      Tuple			 =					self.head
           while node:
                  if current_position == position:
                         self.insert_before_node(UpperCamelCase__     ,  UpperCamelCase__     )
                         return
                  current_position += 1
                  lowerCamelCase   :      Union[str, Any]			 =					node.next
           self.insert_after_node(self.tail     ,  UpperCamelCase__     )







    def     _lowercase     (    self     ,  UpperCamelCase__     )     ->      Node:
           lowerCamelCase   :      int			 =					self.head
           while node:
                  if node.get_data() == item:
                         return node
                  lowerCamelCase   :      Optional[int]			 =					node.get_next()
           raise Exception("Node not found"     )







    def     _lowercase     (    self     ,  UpperCamelCase__     )     ->      str:
           if (node := self.get_node(UpperCamelCase__     )) is not None:
                  if node == self.head:
                         lowerCamelCase   :      Dict			 =					self.head.get_next()

                  if node == self.tail:
                         lowerCamelCase   :      List[Any]			 =					self.tail.get_previous()

                  self.remove_node_pointers(UpperCamelCase__     )







    @staticmethod
    def     _lowercase     (    UpperCamelCase__     )     ->      None:
           if node.get_next():
                  lowerCamelCase   :      Dict			 =					node.previous

           if node.get_previous():
                  lowerCamelCase   :      Tuple			 =					node.next

           lowerCamelCase   :      Optional[int]			 =					None
           lowerCamelCase   :      List[Any]			 =					None







    def     _lowercase     (    self     )     ->      Tuple:
           return self.head is None




def      A      (      )	-> None:
       pass


if __name__ == "__main__":
       import doctest

       doctest.testmod()












from __future__ import annotations

import requests

def      A      (      _SCREAMING_SNAKE_CASE    )	-> dict:
       lowerCamelCase   :      Tuple			 =					f'''https://hacker-news.firebaseio.com/v0/item/{story_id}.json?print=pretty'''
       return requests.get(_SCREAMING_SNAKE_CASE    ).json()

def      A      (      _SCREAMING_SNAKE_CASE = 10    )	-> list[dict]:
       lowerCamelCase   :      str			 =					"https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty"
       lowerCamelCase   :      Any			 =					requests.get(_SCREAMING_SNAKE_CASE    ).json()[:max_stories]
       return [get_hackernews_story(_SCREAMING_SNAKE_CASE    ) for story_id in story_ids]

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


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






