


"""simple docstring"""







class 				SCREAMING_SNAKE_CASE__    (		lowercase    ):
       """simple docstring"""


       pass


class 				SCREAMING_SNAKE_CASE__    (		lowercase    ):
       """simple docstring"""


       pass


class 				SCREAMING_SNAKE_CASE__    :
       """simple docstring"""


       def __init__(						self						):






         """simple docstring"""





         lowerCAmelCase					:					str								=							[
             [],
             [],
             [],
         ]

       def 	lowercase__							(						self		,					snake_case__		,					snake_case__						):






         """simple docstring"""





         try:
           if len(self.queues[priority]						) >= 100:
             raise OverflowError("Maximum queue size is 100"						)
           self.queues[priority].append(snake_case__						)
         except IndexError:
           raise ValueError("Valid priorities are 0, 1, and 2"						)

       def 	lowercase__							(						self						):






         """simple docstring"""





         for queue in self.queues:
           if queue:
             return queue.pop(0						)
         raise UnderFlowError("All queues are empty"						)







       def __str__(						self						):






         """simple docstring"""





         return "\n".join(f"""Priority {i}: {q}""" for i, q in enumerate(self.queues						)						)


class 				SCREAMING_SNAKE_CASE__    :
       """simple docstring"""


       def __init__(						self						):






         """simple docstring"""





         lowerCAmelCase					:					Any								=							[]

       def 	lowercase__							(						self		,					snake_case__						):






         """simple docstring"""





         if len(self.queue						) == 100:
           raise OverFlowError("Maximum queue size is 100"						)
         self.queue.append(snake_case__						)

       def 	lowercase__							(						self						):






         """simple docstring"""





         if not self.queue:
           raise UnderFlowError("The queue is empty"						)
         else:
           lowerCAmelCase					:					Optional[int]								=							min(self.queue						)
           self.queue.remove(snake_case__						)
           return data







       def __str__(						self						):






         """simple docstring"""





         return str(self.queue						)

def  a__      (    ):


  '''simple docstring'''







  lowerCAmelCase					:					Optional[int]								=							FixedPriorityQueue()
  fpq.enqueue(0    ,				1_0    )
  fpq.enqueue(1    ,				7_0    )
  fpq.enqueue(0    ,				1_0_0    )
  fpq.enqueue(2    ,				1    )
  fpq.enqueue(2    ,				5    )
  fpq.enqueue(1    ,				7    )
  fpq.enqueue(2    ,				4    )
  fpq.enqueue(1    ,				6_4    )
  fpq.enqueue(0    ,				1_2_8    )
  print(SCREAMING_SNAKE_CASE    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(SCREAMING_SNAKE_CASE    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
  print(fpq.dequeue()    )
def  a__      (    ):


  '''simple docstring'''







  lowerCAmelCase					:					str								=							ElementPriorityQueue()
  epq.enqueue(1_0    )
  epq.enqueue(7_0    )
  epq.enqueue(1_0_0    )
  epq.enqueue(1    )
  epq.enqueue(5    )
  epq.enqueue(7    )
  epq.enqueue(4    )
  epq.enqueue(6_4    )
  epq.enqueue(1_2_8    )
  print(SCREAMING_SNAKE_CASE    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(SCREAMING_SNAKE_CASE    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )
  print(epq.dequeue()    )


if __name__ == "__main__":
     fixed_priority_queue()
     element_priority_queue()









"""simple docstring"""







from typing import Any


class 				SCREAMING_SNAKE_CASE__    :
       """simple docstring"""


       def __init__(						self		,					snake_case__						):






         """simple docstring"""





         lowerCAmelCase					:					Optional[Any]								=							data
         lowerCAmelCase					:					Tuple								=							None


class 				SCREAMING_SNAKE_CASE__    :
       """simple docstring"""


       def __init__(						self						):






         """simple docstring"""





         lowerCAmelCase					:					Optional[int]								=							None

       def 	lowercase__							(						self						):






         """simple docstring"""





         lowerCAmelCase					:					Optional[Any]								=							self.head
         while temp is not None:
           print(temp.data		,					end=" "						)
           lowerCAmelCase					:					List[str]								=							temp.next
         print()

       def 	lowercase__							(						self		,					snake_case__						):






         """simple docstring"""





         lowerCAmelCase					:					int								=							Node(snake_case__						)
         lowerCAmelCase					:					Union[str, Any]								=							self.head
         lowerCAmelCase					:					Optional[Any]								=							new_node







       def 	lowercase__							(						self		,					snake_case__		,					snake_case__						):






         """simple docstring"""





         if node_data_a == node_data_a:
           return
         else:
           lowerCAmelCase					:					str								=							self.head
           while node_a is not None and node_a.data != node_data_a:
             lowerCAmelCase					:					Union[str, Any]								=							node_a.next

           lowerCAmelCase					:					Any								=							self.head
           while node_a is not None and node_a.data != node_data_a:
             lowerCAmelCase					:					List[Any]								=							node_a.next

           if node_a is None or node_a is None:
             return

           lowerCAmelCase						,  lowerCAmelCase					:					str								=							node_a.data, node_a.data


if __name__ == "__main__":
     lowerCAmelCase__				    =       LinkedList()
     for i in range(5, 0, -1):
          ll.push(i)

     ll.print_list()

     ll.swap_nodes(1, 4)
     print('''After swapping''')
     ll.print_list()





