


import os
import unittest

from transformers import LxmertTokenizer, LxmertTokenizerFast
from transformers.models.bert.tokenization_bert import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin



@require_tokenizers
class        a					(			_UpperCAmelCase     ,unittest.TestCase   ):
     UpperCAmelCase__ :  Tuple						      =	LxmertTokenizer
     UpperCAmelCase__ :  Tuple						      =	LxmertTokenizerFast
     UpperCAmelCase__ :  List[Any]						      =	True
     UpperCAmelCase__ :  str						      =	True





     def  SCREAMING_SNAKE_CASE__       (    self					:				List[Any]							):
        super().setUp()

        __lowerCamelCase:				Any     =	[
            """[UNK]""",
            """[CLS]""",
            """[SEP]""",
            """want""",
            """##want""",
            """##ed""",
            """wa""",
            """un""",
            """runn""",
            """##ing""",
            """,""",
            """low""",
            """lowest""",
        ]
        __lowerCamelCase:				Tuple     =	os.path.join(self.tmpdirname    ,	VOCAB_FILES_NAMES["""vocab_file"""]							)
        with open(self.vocab_file    ,	"""w"""    ,	encoding="""utf-8"""							) as vocab_writer:
           vocab_writer.write("""""".join([x + """\n""" for x in vocab_tokens]							)							)





     def  SCREAMING_SNAKE_CASE__       (    self					:				Dict    ,	SCREAMING_SNAKE_CASE_					:				List[Any]							):
        __lowerCamelCase:				str     =	"""UNwant\u00E9d,running"""
        __lowerCamelCase:				str     =	"""unwanted, running"""
        return input_text, output_text





     def  SCREAMING_SNAKE_CASE__       (    self					:				Union[str, Any]							):
        __lowerCamelCase:				Optional[Any]     =	self.tokenizer_class(self.vocab_file							)

        __lowerCamelCase:				Optional[int]     =	tokenizer.tokenize("""UNwant\u00E9d,running"""							)
        self.assertListEqual(SCREAMING_SNAKE_CASE_    ,	["""un""", """##want""", """##ed""", """,""", """runn""", """##ing"""]							)
        self.assertListEqual(tokenizer.convert_tokens_to_ids(SCREAMING_SNAKE_CASE_							)    ,	[7, 4, 5, 10, 8, 9]							)







     def  SCREAMING_SNAKE_CASE__       (    self					:				str							):
        if not self.test_rust_tokenizer:
           return

        __lowerCamelCase:				str     =	self.get_tokenizer()
        __lowerCamelCase:				Optional[Any]     =	self.get_rust_tokenizer()

        __lowerCamelCase:				Union[str, Any]     =	"""I was born in 92000, and this is falsé."""

        __lowerCamelCase:				List[str]     =	tokenizer.tokenize(SCREAMING_SNAKE_CASE_							)
        __lowerCamelCase:				Tuple     =	rust_tokenizer.tokenize(SCREAMING_SNAKE_CASE_							)
        self.assertListEqual(SCREAMING_SNAKE_CASE_    ,	SCREAMING_SNAKE_CASE_							)

        __lowerCamelCase:				Dict     =	tokenizer.encode(SCREAMING_SNAKE_CASE_    ,	add_special_tokens=SCREAMING_SNAKE_CASE_							)
        __lowerCamelCase:				List[str]     =	rust_tokenizer.encode(SCREAMING_SNAKE_CASE_    ,	add_special_tokens=SCREAMING_SNAKE_CASE_							)
        self.assertListEqual(SCREAMING_SNAKE_CASE_    ,	SCREAMING_SNAKE_CASE_							)

        __lowerCamelCase:				str     =	self.get_rust_tokenizer()
        __lowerCamelCase:				Tuple     =	tokenizer.encode(SCREAMING_SNAKE_CASE_							)
        __lowerCamelCase:				Any     =	rust_tokenizer.encode(SCREAMING_SNAKE_CASE_							)
        self.assertListEqual(SCREAMING_SNAKE_CASE_    ,	SCREAMING_SNAKE_CASE_							)







from __future__ import annotations

_A		:				List[str]									=       {
    '''A''': ['''B''', '''C''', '''E'''],
    '''B''': ['''A''', '''D''', '''E'''],
    '''C''': ['''A''', '''F''', '''G'''],
    '''D''': ['''B'''],
    '''E''': ['''A''', '''B''', '''D'''],
    '''F''': ['''C'''],
    '''G''': ['''C'''],
}



class        a					:





     def __init__(    self					:				Any    ,	SCREAMING_SNAKE_CASE_					:				dict[str, list[str]]    ,	SCREAMING_SNAKE_CASE_					:				str							):
        __lowerCamelCase:				Dict     =	graph
        # mapping node to its parent in resulting breadth first tree
        __lowerCamelCase:				dict[str, str | None]     =	{}
        __lowerCamelCase:				str     =	source_vertex





     def  SCREAMING_SNAKE_CASE__       (    self					:				int							):
        __lowerCamelCase:				Optional[int]     =	{self.source_vertex}
        __lowerCamelCase:				Optional[int]     =	None
        __lowerCamelCase:				Optional[int]     =	[self.source_vertex]  # first in first out queue

        while queue:
           __lowerCamelCase:				int     =	queue.pop(0							)
           for adjacent_vertex in self.graph[vertex]:
              if adjacent_vertex not in visited:
                 visited.add(SCREAMING_SNAKE_CASE_							)
                 __lowerCamelCase:				Dict     =	vertex
                 queue.append(SCREAMING_SNAKE_CASE_							)







     def  SCREAMING_SNAKE_CASE__       (    self					:				Optional[Any]    ,	SCREAMING_SNAKE_CASE_					:				str							):
        if target_vertex == self.source_vertex:
           return self.source_vertex

        __lowerCamelCase:				List[str]     =	self.parent.get(SCREAMING_SNAKE_CASE_							)
        if target_vertex_parent is None:
           __lowerCamelCase:				Optional[int]     =	(
               F'No path from vertex: {self.source_vertex} to vertex: {target_vertex}'
           )
           raise ValueError(SCREAMING_SNAKE_CASE_							)

        return self.shortest_path(SCREAMING_SNAKE_CASE_							) + F'->{target_vertex}'


if __name__ == "__main__":
   _A		:				int									=       Graph(graph, '''G''')
   g.breath_first_search()
   print(g.shortest_path('''D'''))
   print(g.shortest_path('''G'''))
   print(g.shortest_path('''Foo'''))


