





"""simple docstring"""




from __future__ import annotations

from collections import Counter
from random import random


class 			__UpperCamelCase							:






							def __init__(  self )      ->					Union[str, Any]:
								a :						List[str]      =							{}






							def        __a  (  self ,   lowerCAmelCase__ )      ->					Optional[int]:
								a :						Union[str, Any]      =							{}






							def        __a  (  self ,   lowerCAmelCase__ ,   lowerCAmelCase__ ,   lowerCAmelCase__ )      ->					Union[str, Any]:

								if nodea not in self.connections:
									self.add_node(lowerCamelCase__ )
								if nodea not in self.connections:
									self.add_node(lowerCamelCase__ )
								a :						Optional[int]      =							probability






							def        __a  (  self )      ->					str:
								return list(self.connections )






							def        __a  (  self ,   lowerCAmelCase__ )      ->					Optional[Any]:
								a :						List[str]      =							0
								a :						Optional[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		:       str       ,			_lowercase		:       list[tuple[str, str, float]]       ,			_lowercase		:       int   )					->dict[str, int]:






	'''simple docstring'''






	a :						Optional[int]      =							MarkovChainGraphUndirectedUnweighted()

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

	a :						Union[str, Any]      =							Counter(graph.get_nodes()   )
	a :						Optional[int]      =							start

	for _ in range(__lowerCAmelCase   ):
		a :						Tuple      =							graph.transition(__lowerCAmelCase   )
		visited[node] += 1

	return visited


if __name__ == "__main__":
		import doctest

		doctest.testmod()










from collections.abc import Iterable
from typing import Generic, TypeVar

UpperCamelCase    							=      TypeVar('_T')







class 		_A						( Generic[_T] ):

  def __init__(    self						:	int   ,				lowerCamelCase__						:	Iterable[_T] | None = None			):
     """simple docstring"""

     __UpperCamelCase	:			list[_T]					=					list(iterable or []			)
     __UpperCamelCase	:			list[_T]					=					[]

  def __len__(    self						:	str			):
     """simple docstring"""

     return len(self._stacka			) + len(self._stacka			)

  def __repr__(    self						:	Dict			):
     """simple docstring"""

     return f'Queue({tuple(self._stacka[::-1] + self._stacka			)})'

  def    a					(    self						:	Union[str, Any]   ,				lowerCamelCase__						:	_T			):
     """simple docstring"""

     self._stacka.append(lowerCamelCase__			)

  def    a					(    self						:	Union[str, Any]			):
     """simple docstring"""

     __UpperCamelCase	:			Any					=					self._stacka.pop
     __UpperCamelCase	:			int					=					self._stacka.append

     if not self._stacka:
        while self._stacka:
           stacka_append(stacka_pop()			)

     if not self._stacka:
        raise IndexError("""Queue is empty"""			)
     return self._stacka.pop()


if __name__ == "__main__":
       from doctest import testmod

       testmod()



