






'''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     a_						:

  def __init__(				self      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE      ,		)  ->				Dict:



        """simple docstring"""






        UpperCamelCase      = pos_x
        UpperCamelCase      = pos_y
        UpperCamelCase      = (pos_y, pos_x)
        UpperCamelCase      = goal_x
        UpperCamelCase      = goal_y
        UpperCamelCase      = g_cost
        UpperCamelCase      = parent
        UpperCamelCase      = self.calculate_heuristic()

  def   A__						(				self				)  ->				float:



        """simple docstring"""






        UpperCamelCase      = abs(self.pos_x - self.goal_x				)
        UpperCamelCase      = abs(self.pos_y - self.goal_y				)
        return dx + dy


  def __lt__(				self      ,		_SCREAMING_SNAKE_CASE				)  ->				bool:



        """simple docstring"""






        return self.f_cost < other.f_cost






class     a_						:

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



        """simple docstring"""






        UpperCamelCase      = Node(start[1]      ,		start[0]      ,		goal[1]      ,		goal[0]      ,		0      ,		_SCREAMING_SNAKE_CASE				)
        UpperCamelCase      = Node(goal[1]      ,		goal[0]      ,		goal[1]      ,		goal[0]      ,		99999      ,		_SCREAMING_SNAKE_CASE				)

        UpperCamelCase      = [self.start]
        UpperCamelCase      = []

        UpperCamelCase      = False

  def   A__						(				self				)  ->				Path | None:



        """simple docstring"""






        while self.open_nodes:
              # Open Nodes are sorted using __lt__
              self.open_nodes.sort()
              UpperCamelCase      = self.open_nodes.pop(0				)

              if current_node.pos == self.target.pos:
                    UpperCamelCase      = True
                    return self.retrace_path(_SCREAMING_SNAKE_CASE				)

              self.closed_nodes.append(_SCREAMING_SNAKE_CASE				)
              UpperCamelCase      = 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
                          UpperCamelCase      = 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   A__						(				self      ,		_SCREAMING_SNAKE_CASE				)  ->				list[Node]:



        """simple docstring"""






        UpperCamelCase      = []
        for action in delta:
              UpperCamelCase      = parent.pos_x + action[1]
              UpperCamelCase      = 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   A__						(				self      ,		_SCREAMING_SNAKE_CASE				)  ->				Path:



        """simple docstring"""






        UpperCamelCase      = node
        UpperCamelCase      = []
        while current_node is not None:
              path.append((current_node.pos_y, current_node.pos_x)				)
              UpperCamelCase      = 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'''

from __future__ import annotations

import collections
import pprint
from pathlib import Path







def    lowercase__			(				__UpperCamelCase   )->			str:
      return "".join(sorted(__UpperCamelCase   )   )







def    lowercase__			(				__UpperCamelCase   )->			list[str]:
      return word_by_signature[signature(__UpperCamelCase   )]


SCREAMING_SNAKE_CASE__     =       Path(__file__).parent.joinpath('words.txt').read_text(encoding='utf-8')
SCREAMING_SNAKE_CASE__     =       sorted({word.strip().lower() for word in data.splitlines()})

SCREAMING_SNAKE_CASE__     =       collections.defaultdict(list)
for word in word_list:
     word_by_signature[signature(word)].append(word)

if __name__ == "__main__":
     SCREAMING_SNAKE_CASE__     =       {word: anagram(word) for word in word_list if len(anagram(word)) > 1}

     with open('anagrams.txt', 'w') as file:
          file.write('all_anagrams = \n ')
          file.write(pprint.pformat(all_anagrams))
