

'''simple docstring'''






from __future__ import annotations

__SCREAMING_SNAKE_CASE     =						list[tuple[int, int]]

__SCREAMING_SNAKE_CASE     =						[
    [0, 0, 0, 0, 0, 0, 0],
    [0, 1, 0, 0, 0, 0, 0],  # 0 are free path whereas 1's are obstacles
    [0, 0, 0, 0, 0, 0, 0],
    [0, 0, 1, 0, 0, 0, 0],
    [1, 0, 1, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 1, 0, 0],
]

__SCREAMING_SNAKE_CASE     =						([-1, 0], [0, -1], [1, 0], [0, 1])  # up, left, down, right






class 			lowerCAmelCase__     :




     """simple docstring"""





     def __init__(		self						:	List[str]      ,						A__						:	Any      ,						A__						:	List[Any]      ,						A__						:	List[Any]      ,						A__						:	str      ,						A__						:	Optional[int]      ,						A__						:	List[str]      ,						)       ->			List[str]:
          '''simple docstring'''




          a__   :      Optional[int]     =						pos_x
          a__   :      Dict     =						pos_y
          a__   :      Optional[int]     =						(pos_y, pos_x)
          a__   :      List[str]     =						goal_x
          a__   :      Optional[int]     =						goal_y
          a__   :      Union[str, Any]     =						g_cost
          a__   :      Any     =						parent
          a__   :      Optional[int]     =						self.calculate_heuristic()







     def 			__lowerCAmelCase	(		self						:	Tuple	)       ->			float:
          '''simple docstring'''




          a__   :      Dict     =						abs(self.pos_x - self.goal_x	)
          a__   :      Optional[Any]     =						abs(self.pos_y - self.goal_y	)
          return dx + dy







     def __lt__(		self						:	Dict      ,						A__						:	str	)       ->			bool:
          '''simple docstring'''




          return self.f_cost < other.f_cost






class 			lowerCAmelCase__     :




     """simple docstring"""





     def __init__(		self						:	Optional[int]      ,						A__						:	Optional[int]      ,						A__						:	str	)       ->			List[Any]:
          '''simple docstring'''




          a__   :      List[str]     =						Node(start[1]      ,						start[0]      ,						goal[1]      ,						goal[0]      ,						0      ,						SCREAMING_SNAKE_CASE__	)
          a__   :      List[str]     =						Node(goal[1]      ,						goal[0]      ,						goal[1]      ,						goal[0]      ,						9_9_9_9_9      ,						SCREAMING_SNAKE_CASE__	)

          a__   :      str     =						[self.start]
          a__   :      list[Node]     =						[]

          a__   :      Optional[int]     =						False







     def 			__lowerCAmelCase	(		self						:	Optional[int]	)       ->			Path | None:
          '''simple docstring'''




          while self.open_nodes:
               # Open Nodes are sorted using __lt__
               self.open_nodes.sort()
               a__   :      Optional[int]     =						self.open_nodes.pop(0	)

               if current_node.pos == self.target.pos:
                    a__   :      Optional[int]     =						True
                    return self.retrace_path(SCREAMING_SNAKE_CASE__	)

               self.closed_nodes.append(SCREAMING_SNAKE_CASE__	)
               a__   :      Union[str, Any]     =						self.get_successors(SCREAMING_SNAKE_CASE__	)

               for child_node in successors:
                    if child_node in self.closed_nodes:
                         continue

                    if child_node not in self.open_nodes:
                         self.open_nodes.append(SCREAMING_SNAKE_CASE__	)
                    else:
                         # retrieve the best current path
                         a__   :      Any     =						self.open_nodes.pop(self.open_nodes.index(SCREAMING_SNAKE_CASE__	)	)

                         if child_node.g_cost < better_node.g_cost:
                              self.open_nodes.append(SCREAMING_SNAKE_CASE__	)
                         else:
                              self.open_nodes.append(SCREAMING_SNAKE_CASE__	)

          if not self.reached:
               return [self.start.pos]
          return None







     def 			__lowerCAmelCase	(		self						:	int      ,						A__						:	Dict	)       ->			list[Node]:
          '''simple docstring'''




          a__   :      List[Any]     =						[]
          for action in delta:
               a__   :      int     =						parent.pos_x + action[1]
               a__   :      List[str]     =						parent.pos_y + action[0]

               if not (0 <= pos_x <= len(grid[0]	) - 1 and 0 <= pos_y <= len(SCREAMING_SNAKE_CASE__	) - 1):
                    continue

               if grid[pos_y][pos_x] != 0:
                    continue

               successors.append(
                   Node(
                       SCREAMING_SNAKE_CASE__      ,						SCREAMING_SNAKE_CASE__      ,						self.target.pos_y      ,						self.target.pos_x      ,						parent.g_cost + 1      ,						SCREAMING_SNAKE_CASE__      ,						)	)
          return successors







     def 			__lowerCAmelCase	(		self						:	str      ,						A__						:	Dict	)       ->			Path:
          '''simple docstring'''




          a__   :      List[Any]     =						node
          a__   :      Dict     =						[]
          while current_node is not None:
               path.append((current_node.pos_y, current_node.pos_x)	)
               a__   :      Tuple     =						current_node.parent
          path.reverse()
          return path


if __name__ == "__main__":
 __SCREAMING_SNAKE_CASE     =						(0, 0)
 __SCREAMING_SNAKE_CASE     =						(len(grid) - 1, len(grid[0]) - 1)
 for elem in grid:
  print(elem)

 print('------')

 __SCREAMING_SNAKE_CASE     =						GreedyBestFirst(init, goal)
 __SCREAMING_SNAKE_CASE     =						greedy_bf.search()
 if path:
  for pos_x, pos_y in path:
   __SCREAMING_SNAKE_CASE     =						2

  for elem in grid:
   print(elem)




"""simple docstring"""






import unittest

from transformers.testing_utils import CaptureStdout
from transformers.tools.python_interpreter import evaluate





def 				A_       ( snake_case__		)					->  Union[str, Any]:
			return x + 2






class      A(  unittest.TestCase		):

		"""simple docstring"""





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

					"""simple docstring"""



					_UpperCamelCase					:Union[str, Any]					     =	'''x = 3'''
					_UpperCamelCase					:List[str]					     =	{}
					_UpperCamelCase					:int					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 3
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3}   )

					_UpperCamelCase					:Tuple					     =	'''x = y'''
					_UpperCamelCase					:Optional[int]					     =	{'''y''': 5}
					_UpperCamelCase					:Optional[Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					# evaluate returns the value of the last assignment.
					assert result == 5
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 5, '''y''': 5}   )
		def   _UpperCamelCase( self   )      ->	int:

					"""simple docstring"""



					_UpperCamelCase					:str					     =	'''y = add_two(x)'''
					_UpperCamelCase					:Optional[int]					     =	{'''x''': 3}
					_UpperCamelCase					:Union[str, Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{'''add_two''': add_two}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 5
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''y''': 5}   )

					# Won't work without the tool
					with CaptureStdout() as out:
								_UpperCamelCase					:Union[str, Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result is None
					assert "tried to execute add_two" in out.out
		def   _UpperCamelCase( self   )      ->	List[Any]:

					"""simple docstring"""



					_UpperCamelCase					:Any					     =	'''x = 3'''
					_UpperCamelCase					:int					     =	{}
					_UpperCamelCase					:List[Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 3
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3}   )
		def   _UpperCamelCase( self   )      ->	List[Any]:

					"""simple docstring"""



					_UpperCamelCase					:str					     =	'''test_dict = {\'x\': x, \'y\': add_two(x)}'''
					_UpperCamelCase					:str					     =	{'''x''': 3}
					_UpperCamelCase					:Dict					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{'''add_two''': add_two}					,				state=SCREAMING_SNAKE_CASE__   )
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''y''': 5}   )
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''test_dict''': {'''x''': 3, '''y''': 5}}   )
		def   _UpperCamelCase( self   )      ->	Tuple:

					"""simple docstring"""



					_UpperCamelCase					:int					     =	'''x = 3\ny = 5'''
					_UpperCamelCase					:int					     =	{}
					_UpperCamelCase					:Optional[int]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					# evaluate returns the value of the last assignment.
					assert result == 5
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''y''': 5}   )
		def   _UpperCamelCase( self   )      ->	Optional[int]:

					"""simple docstring"""



					_UpperCamelCase					:Union[str, Any]					     =	'''text = f\'This is x: {x}.\''''
					_UpperCamelCase					:List[str]					     =	{'''x''': 3}
					_UpperCamelCase					:Any					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					# evaluate returns the value of the last assignment.
					assert result == "This is x: 3."
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''text''': '''This is x: 3.'''}   )
		def   _UpperCamelCase( self   )      ->	Union[str, Any]:

					"""simple docstring"""



					_UpperCamelCase					:Optional[Any]					     =	'''if x <= 3:\n    y = 2\nelse:\n    y = 5'''
					_UpperCamelCase					:Dict					     =	{'''x''': 3}
					_UpperCamelCase					:Any					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					# evaluate returns the value of the last assignment.
					assert result == 2
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''y''': 2}   )

					_UpperCamelCase					:Union[str, Any]					     =	{'''x''': 8}
					_UpperCamelCase					:Optional[int]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					# evaluate returns the value of the last assignment.
					assert result == 5
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 8, '''y''': 5}   )
		def   _UpperCamelCase( self   )      ->	Tuple:

					"""simple docstring"""



					_UpperCamelCase					:List[str]					     =	'''test_list = [x, add_two(x)]'''
					_UpperCamelCase					:Optional[int]					     =	{'''x''': 3}
					_UpperCamelCase					:str					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{'''add_two''': add_two}					,				state=SCREAMING_SNAKE_CASE__   )
					self.assertListEqual(SCREAMING_SNAKE_CASE__					,				[3, 5]   )
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''test_list''': [3, 5]}   )
		def   _UpperCamelCase( self   )      ->	Dict:

					"""simple docstring"""



					_UpperCamelCase					:List[Any]					     =	'''y = x'''
					_UpperCamelCase					:List[str]					     =	{'''x''': 3}
					_UpperCamelCase					:Union[str, Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 3
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''y''': 3}   )
		def   _UpperCamelCase( self   )      ->	Tuple:

					"""simple docstring"""



					_UpperCamelCase					:Tuple					     =	'''test_list = [x, add_two(x)]\ntest_list[1]'''
					_UpperCamelCase					:Optional[Any]					     =	{'''x''': 3}
					_UpperCamelCase					:Any					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{'''add_two''': add_two}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 5
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''test_list''': [3, 5]}   )

					_UpperCamelCase					:str					     =	'''test_dict = {\'x\': x, \'y\': add_two(x)}\ntest_dict[\'y\']'''
					_UpperCamelCase					:Optional[int]					     =	{'''x''': 3}
					_UpperCamelCase					:Union[str, Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{'''add_two''': add_two}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 5
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 3, '''test_dict''': {'''x''': 3, '''y''': 5}}   )





		def   _UpperCamelCase( self   )      ->	int:

					"""simple docstring"""



					_UpperCamelCase					:str					     =	'''x = 0\nfor i in range(3):\n    x = i'''
					_UpperCamelCase					:Tuple					     =	{}
					_UpperCamelCase					:Union[str, Any]					     =	evaluate(SCREAMING_SNAKE_CASE__					,				{'''range''': range}					,				state=SCREAMING_SNAKE_CASE__   )
					assert result == 2
					self.assertDictEqual(SCREAMING_SNAKE_CASE__					,				{'''x''': 2, '''i''': 2}   )

