






def __A    (      __lowerCAmelCase	)->  set:





						"""simple docstring"""



						_UpperCAmelCase									=			set()
						# edges = list of graph's edges
						_UpperCAmelCase									=			get_edges(__lowerCAmelCase	)

						# While there are still elements in edges list, take an arbitrary edge
						# (from_node, to_node) and add his extremity to chosen_vertices and then
						# remove all arcs adjacent to the from_node and to_node
						while edges:
												_UpperCAmelCase					, _UpperCAmelCase									=			edges.pop()
												chosen_vertices.add(__lowerCAmelCase	)
												chosen_vertices.add(__lowerCAmelCase	)
												for edge in edges.copy():
																		if from_node in edge or to_node in edge:
																								edges.discard(__lowerCAmelCase	)
						return chosen_vertices


def __A    (      __lowerCAmelCase	)->  set:





						"""simple docstring"""



						_UpperCAmelCase									=			set()
						for from_node, to_nodes in graph.items():
												for to_node in to_nodes:
																		edges.add((from_node, to_node)	)
						return edges


if __name__ == "__main__":
		import doctest

		doctest.testmod()

		# graph = {0: [1, 3], 1: [0, 3], 2: [0, 3, 4], 3: [0, 1, 2], 4: [2, 3]}
		# print(f"Matching vertex cover:\n{matching_min_vertex_cover(graph)}")








from __future__ import annotations

import collections
import pprint
from pathlib import Path


def __A    (      __lowerCAmelCase	)->  str:





						"""simple docstring"""



						return "".join(sorted(__lowerCAmelCase	)	)


def __A    (      __lowerCAmelCase	)->  list[str]:





						"""simple docstring"""



						return word_by_signature[signature(__lowerCAmelCase	)]


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

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

if __name__ == "__main__":
		_a      	=  {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))
