
import numpy as np

class        _UpperCamelCase				:






			'''simple docstring'''

			def __init__(       self :       Union[str, Any]      ):
							UpperCamelCase_:							Optional[Any]	=						(0, 0)
							UpperCamelCase_:							str	=						None
							UpperCamelCase_:							Tuple	=						0
							UpperCamelCase_:							Dict	=						0
							UpperCamelCase_:							Any	=						0

			def __eq__(       self :       List[Any]						,	snake_case_ :       int      ):
							return self.position == cell.position




			def       lowerCAmelCase__	(       self :       str      ):
							print(self.position      )




class        _UpperCamelCase				:






			'''simple docstring'''

			def __init__(       self :       Optional[Any]						,	snake_case_ :       List[Any]=(5, 5)      ):
							UpperCamelCase_:							List[str]	=						np.zeros(snake_case_      )
							UpperCamelCase_:							Dict	=						world_size[0]
							UpperCamelCase_:							int	=						world_size[1]

			def       lowerCAmelCase__	(       self :       Optional[Any]      ):
							print(self.w      )




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







def        A__					(						lowerCamelCase     ,    lowerCamelCase     ,    lowerCamelCase						)  ->	List[str]:
				UpperCamelCase_:							List[Any]	=						[]
				UpperCamelCase_:							Optional[int]	=						[]
				_open.append(lowerCamelCase						)

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

												for c in _open:
																if c == n and c.f < n.f:
																				continue
												_open.append(lowerCamelCase						)
				UpperCamelCase_:							Union[str, Any]	=						[]
				while current.parent is not None:
								path.append(current.position						)
								UpperCamelCase_:							Union[str, Any]	=						current.parent
				path.append(current.position						)
				return path[::-1]


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








import inspect
import os
import sys
import unittest

import accelerate
from accelerate.test_utils import execute_subprocess_async, require_tpu

class        _UpperCamelCase				(					unittest.TestCase  ):






			'''simple docstring'''

			def       lowerCAmelCase__	(       self :       Optional[int]      ):
							UpperCamelCase_:							List[Any]	=						inspect.getfile(accelerate.test_utils      )
							UpperCamelCase_:							List[str]	=						os.path.sep.join(mod_file.split(os.path.sep      )[:-1] + ["""scripts""", """test_script.py"""]      )
							UpperCamelCase_:							str	=						os.path.sep.join(inspect.getfile(self.__class__      ).split(os.path.sep      )[:-1]      )




			@require_tpu
			def       lowerCAmelCase__	(       self :       Optional[int]      ):
							UpperCamelCase_:							Any	=						f'''
            {self.test_dir}/xla_spawn.py
            --num_cores 8
            {self.test_file_path}
        '''.split()
							UpperCamelCase_:							Dict	=						[sys.executable] + distributed_args
							execute_subprocess_async(snake_case_						,	env=os.environ.copy()      )






