



"""simple docstring"""
import numpy as np



class    SCREAMING_SNAKE_CASE__						:

   def __init__(     self		)						->   Optional[Any]:





    '''simple docstring'''




    UpperCAmelCase			:      Any			=			(0, 0)
    UpperCAmelCase			:      List[str]			=			None
    UpperCAmelCase			:      List[Any]			=			0
    UpperCAmelCase			:      List[Any]			=			0
    UpperCAmelCase			:      str			=			0

   def __eq__(     self   ,  _SCREAMING_SNAKE_CASE		)						->   str:





    '''simple docstring'''




    return self.position == cell.position




   def 			SCREAMING_SNAKE_CASE  (     self		)						->   Optional[int]:





    '''simple docstring'''




    print(self.position		)



class    SCREAMING_SNAKE_CASE__						:

   def __init__(     self   ,  _SCREAMING_SNAKE_CASE=(5, 5)		)						->   List[Any]:





    '''simple docstring'''




    UpperCAmelCase			:      Dict			=			np.zeros(_SCREAMING_SNAKE_CASE		)
    UpperCAmelCase			:      Union[str, Any]			=			world_size[0]
    UpperCAmelCase			:      Any			=			world_size[1]

   def 			SCREAMING_SNAKE_CASE  (     self		)						->   Union[str, Any]:





    '''simple docstring'''




    print(self.w		)




   def 			SCREAMING_SNAKE_CASE  (     self   ,  _SCREAMING_SNAKE_CASE		)						->   Union[str, Any]:





    '''simple docstring'''




    UpperCAmelCase			:      List[str]			=			[
        (-1, -1),
        (-1, 0),
        (-1, 1),
        (0, -1),
        (0, 1),
        (1, -1),
        (1, 0),
        (1, 1),
    ]
    UpperCAmelCase			:      Optional[Any]			=			cell.position[0]
    UpperCAmelCase			:      str			=			cell.position[1]
    UpperCAmelCase			:      Dict			=			[]
    for n in neughbour_cord:
     UpperCAmelCase			:      Any			=			current_x + n[0]
     UpperCAmelCase			:      List[str]			=			current_y + n[1]
     if 0 <= x < self.world_x_limit and 0 <= y < self.world_y_limit:
      UpperCAmelCase			:      str			=			Cell()
      UpperCAmelCase			:      Tuple			=			(x, y)
      UpperCAmelCase			:      Any			=			cell
      neighbours.append(_SCREAMING_SNAKE_CASE		)
    return neighbours

def    _snake_case		(		UpperCamelCase		:	Tuple    ,	UpperCamelCase		:	int    ,	UpperCamelCase		:	int		):
 UpperCAmelCase			:      Dict			=			[]
 UpperCAmelCase			:      Tuple			=			[]
 _open.append(UpperCamelCase		)

 while _open:
  UpperCAmelCase			:      Optional[int]			=			np.argmin([n.f for n in _open]		)
  UpperCAmelCase			:      Tuple			=			_open[min_f]
  _closed.append(_open.pop(UpperCamelCase		)		)
  if current == goal:
   break
  for n in world.get_neigbours(UpperCamelCase		):
   for c in _closed:
    if c == n:
     continue
   UpperCAmelCase			:      Dict			=			current.g + 1
   UpperCAmelCase			,	UpperCAmelCase			:      Dict			=			n.position
   UpperCAmelCase			,	UpperCAmelCase			:      Any			=			goal.position
   UpperCAmelCase			:      List[str]			=			(ya - ya) ** 2 + (xa - xa) ** 2
   UpperCAmelCase			:      Tuple			=			n.h + n.g

   for c in _open:
    if c == n and c.f < n.f:
     continue
   _open.append(UpperCamelCase		)
 UpperCAmelCase			:      Optional[int]			=			[]
 while current.parent is not None:
  path.append(current.position		)
  UpperCAmelCase			:      str			=			current.parent
 path.append(current.position		)
 return path[::-1]


if __name__ == "__main__":
      A:     Any										=	Gridworld()
      # Start position and goal
      A:     Optional[int]										=	Cell()
      A:     Optional[int]										=	(0, 0)
      A:     Dict										=	Cell()
      A:     List[Any]										=	(4, 4)
      print(f"""path from {start.position} to {goal.position}""")
      A:     List[Any]										=	astar(world, start, goal)
      #   Just for visual reasons.
      for i in s:
            A:     str										=	1
      print(world.w)





"""simple docstring"""
from __future__ import annotations

from collections.abc import Iterable, Iterator
from dataclasses import dataclass

A:     List[Any]										=	(3, 9, -1_1, 0, 7, 5, 1, -1)
A:     Union[str, Any]										=	(4, 6, 2, 0, 8, 1_0, 3, -2)



@dataclass
class    SCREAMING_SNAKE_CASE__						:
   __lowerCAmelCase						:     int
   __lowerCAmelCase						:     Node | None



class    SCREAMING_SNAKE_CASE__						:

   def __init__(     self   ,  _SCREAMING_SNAKE_CASE		)						->   None:





    '''simple docstring'''




    UpperCAmelCase			:      Node | None			=			None
    for i in sorted(_SCREAMING_SNAKE_CASE   ,  reverse=_SCREAMING_SNAKE_CASE		):
     UpperCAmelCase			:      Union[str, Any]			=			Node(_SCREAMING_SNAKE_CASE   ,  self.head		)

   def __iter__(     self		)						->   Iterator[int]:





    '''simple docstring'''




    UpperCAmelCase			:      Optional[Any]			=			self.head
    while node:
     yield node.data
     UpperCAmelCase			:      List[str]			=			node.next_node

   def __len__(     self		)						->   int:





    '''simple docstring'''




    return sum(1 for _ in self		)




   def __str__(     self		)						->   str:





    '''simple docstring'''




    return " -> ".join([str(_SCREAMING_SNAKE_CASE		) for node in self]		)

def    _snake_case		(		UpperCamelCase		:	SortedLinkedList    ,	UpperCamelCase		:	SortedLinkedList		):
 return SortedLinkedList(list(UpperCamelCase		) + list(UpperCamelCase		)		)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      A:     Dict										=	SortedLinkedList
      print(merge_lists(SSL(test_data_odd), SSL(test_data_even)))
