


from __future__ import annotations

from collections import Counter
from random import random




class 							lowerCamelCase   :


	def __init__(    self):
							__UpperCAmelCase			:							List[Any]	    =	{}


	def  A(    self				,     lowercase__):
							__UpperCAmelCase			:							Tuple	    =	{}


	def  A(    self				,     lowercase__				,     lowercase__				,     lowercase__):
							if nodea not in self.connections:
													self.add_node(lowercase__)
							if nodea not in self.connections:
													self.add_node(lowercase__)
							__UpperCAmelCase			:							Optional[Any]	    =	probability


	def  A(    self):
							return list(self.connections)


	def  A(    self				,     lowercase__):
							__UpperCAmelCase			:							Dict	    =	0
							__UpperCAmelCase			:							List[Any]	    =	random()

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






def     __SCREAMING_SNAKE_CASE							(       lowercase_      ,       lowercase_      ,       lowercase_      )		->     dict[str, int]:




						'''simple docstring'''







						__UpperCAmelCase			:							Dict	    =	MarkovChainGraphUndirectedUnweighted()

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

						__UpperCAmelCase			:							Any	    =	Counter(graph.get_nodes()      )
						__UpperCAmelCase			:							Any	    =	start

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

						return visited


if __name__ == "__main__":
				import doctest

				doctest.testmod()





import inspect
import os
import sys
import unittest

import accelerate
from accelerate.test_utils import execute_subprocess_async, require_tpu




class 							lowerCamelCase   (  unittest.TestCase ):


	def  A(    self):
							__UpperCAmelCase			:							List[Any]	    =	inspect.getfile(accelerate.test_utils)
							__UpperCAmelCase			:							Dict	    =	os.path.sep.join(mod_file.split(os.path.sep)[:-1] + ['''scripts''', '''test_script.py'''])
							__UpperCAmelCase			:							Union[str, Any]	    =	os.path.sep.join(inspect.getfile(self.__class__).split(os.path.sep)[:-1])


	@require_tpu
	def  A(    self):
							__UpperCAmelCase			:							Dict	    =	F"\n            {self.test_dir}/xla_spawn.py\n            --num_cores 8\n            {self.test_file_path}\n        ".split()
							__UpperCAmelCase			:							Union[str, Any]	    =	[sys.executable] + distributed_args
							execute_subprocess_async(lowercase__				,     env=os.environ.copy())

