
'''simple docstring'''







from __future__ import annotations

from collections import Counter
from random import random






class  lowerCAmelCase__   :






					def __init__(   self		):


											"""simple docstring"""





											lowercase_	:     int													=       {}






					def 	_snake_case    (   self				,							__SCREAMING_SNAKE_CASE		):


											"""simple docstring"""





											lowercase_	:     Dict													=       {}






					def 	_snake_case    (   self				,							__SCREAMING_SNAKE_CASE				,							__SCREAMING_SNAKE_CASE				,							__SCREAMING_SNAKE_CASE		):


											"""simple docstring"""





											if nodea not in self.connections:
																	self.add_node(__SCREAMING_SNAKE_CASE		)
											if nodea not in self.connections:
																	self.add_node(__SCREAMING_SNAKE_CASE		)
											lowercase_	:     Optional[Any]													=       probability






					def 	_snake_case    (   self		):


											"""simple docstring"""





											return list(self.connections		)






					def 	_snake_case    (   self				,							__SCREAMING_SNAKE_CASE		):


											"""simple docstring"""





											lowercase_	:     Any													=       0
											lowercase_	:     Tuple													=       random()

											for dest in self.connections[node]:
																	current_probability += self.connections[node][dest]
																	if current_probability > random_value:
																							return dest
											return ""







def 					snake_case_		(				__SCREAMING_SNAKE_CASE					: str      ,      __SCREAMING_SNAKE_CASE					: list[tuple[str, str, float]]      ,      __SCREAMING_SNAKE_CASE					: int							):



						"""simple docstring"""





						lowercase_	:     List[Any]													=       MarkovChainGraphUndirectedUnweighted()

						for nodea, nodea, probability in transitions:
												graph.add_transition_probability(__SCREAMING_SNAKE_CASE      ,      __SCREAMING_SNAKE_CASE      ,      __SCREAMING_SNAKE_CASE							)

						lowercase_	:     str													=       Counter(graph.get_nodes()							)
						lowercase_	:     Any													=       start

						for _ in range(__SCREAMING_SNAKE_CASE							):
												lowercase_	:     int													=       graph.transition(__SCREAMING_SNAKE_CASE							)
												visited[node] += 1

						return visited


if __name__ == "__main__":
							import doctest

							doctest.testmod()





'''simple docstring'''







import json
import os
import tempfile

from transformers.testing_utils import check_json_file_has_correct_format






class  lowerCAmelCase__   :
					lowerCAmelCase_        =     None






					def 	_snake_case    (   self		):


											"""simple docstring"""





											lowercase_	:     Tuple													=       self.feature_extraction_class(**self.feat_extract_dict		)
											lowercase_	:     Any													=       json.loads(feat_extract.to_json_string()		)
											for key, value in self.feat_extract_dict.items():
																	self.assertEqual(obj[key]				,							__SCREAMING_SNAKE_CASE		)






					def 	_snake_case    (   self		):


											"""simple docstring"""





											lowercase_	:     str													=       self.feature_extraction_class(**self.feat_extract_dict		)

											with tempfile.TemporaryDirectory() as tmpdirname:
																	lowercase_	:     str													=       os.path.join(__SCREAMING_SNAKE_CASE				,							'''feat_extract.json'''		)
																	feat_extract_first.to_json_file(__SCREAMING_SNAKE_CASE		)
																	lowercase_	:     str													=       self.feature_extraction_class.from_json_file(__SCREAMING_SNAKE_CASE		)

											self.assertEqual(feat_extract_second.to_dict()				,							feat_extract_first.to_dict()		)






					def 	_snake_case    (   self		):


											"""simple docstring"""





											lowercase_	:     Tuple													=       self.feature_extraction_class(**self.feat_extract_dict		)

											with tempfile.TemporaryDirectory() as tmpdirname:
																	lowercase_	:     Union[str, Any]													=       feat_extract_first.save_pretrained(__SCREAMING_SNAKE_CASE		)[0]
																	check_json_file_has_correct_format(__SCREAMING_SNAKE_CASE		)
																	lowercase_	:     str													=       self.feature_extraction_class.from_pretrained(__SCREAMING_SNAKE_CASE		)

											self.assertEqual(feat_extract_second.to_dict()				,							feat_extract_first.to_dict()		)






					def 	_snake_case    (   self		):


											"""simple docstring"""





											lowercase_	:     Optional[Any]													=       self.feature_extraction_class()
											self.assertIsNotNone(__SCREAMING_SNAKE_CASE		)



