


"""simple docstring"""



# Lint as: python3
import dataclasses
import re
from dataclasses import dataclass
from functools import total_ordering
from typing import Optional, Union


lowercase_							=							re.compile(r'^(?P<major>\d+)' r'\.(?P<minor>\d+)' r'\.(?P<patch>\d+)$')







@total_ordering
@dataclass
class    __a						:
				lowerCamelCase     :       str
				lowerCamelCase     :       Optional[str]			       =None
				lowerCamelCase     :       Optional[Union[str, int]]			       =None
				lowerCamelCase     :       Optional[Union[str, int]]			       =None
				lowerCamelCase     :       Optional[Union[str, int]]			       =None







				def      lowerCamelCase_     ( self   ):

					'''simple docstring'''






					lowerCAmelCase_							,	lowerCAmelCase_							,	lowerCAmelCase_      							=			_str_to_version_tuple(self.version_str   )







				def __repr__( self   ):

					'''simple docstring'''






					return F"""{self.tuple[0]}.{self.tuple[1]}.{self.tuple[2]}"""







				@property
				def      lowerCamelCase_     ( self   ):

					'''simple docstring'''






					return self.major, self.minor, self.patch







				def      lowerCamelCase_     ( self      ,	UpperCAmelCase   ):

					'''simple docstring'''






					if isinstance(SCREAMING_SNAKE_CASE__      ,	SCREAMING_SNAKE_CASE__   ):
						return Version(SCREAMING_SNAKE_CASE__   )
					elif isinstance(SCREAMING_SNAKE_CASE__      ,	SCREAMING_SNAKE_CASE__   ):
						return other
					raise TypeError(F"""{other} (type {type(SCREAMING_SNAKE_CASE__   )}) cannot be compared to version."""   )







				def __eq__( self      ,	UpperCAmelCase   ):

					'''simple docstring'''






					try:
						lowerCAmelCase_      							=			self._validate_operand(SCREAMING_SNAKE_CASE__   )
					except (TypeError, ValueError):
						return False
					else:
						return self.tuple == other.tuple







				def __lt__( self      ,	UpperCAmelCase   ):

					'''simple docstring'''






					lowerCAmelCase_      							=			self._validate_operand(SCREAMING_SNAKE_CASE__   )
					return self.tuple < other.tuple







				def __hash__( self   ):

					'''simple docstring'''






					return hash(_version_tuple_to_str(self.tuple   )   )







				@classmethod
				def      lowerCamelCase_     ( cls      ,	UpperCAmelCase   ):

					'''simple docstring'''






					lowerCAmelCase_      							=			{f.name for f in dataclasses.fields(cls   )}
					return cls(**{k: v for k, v in dic.items() if k in field_names}   )







				def      lowerCamelCase_     ( self   ):

					'''simple docstring'''






					return self.version_str




def      UpperCAmelCase     (       _lowercase :   Optional[int]	)						-> Optional[int]:


	"""simple docstring"""




	lowerCAmelCase_      							=			_VERSION_REG.match(_lowercase	)
	if not res:
		raise ValueError(F"""Invalid version \'{version_str}\'. Format should be x.y.z with {{x,y,z}} being digits."""	)
	return tuple(int(_lowercase	) for v in [res.group('''major'''	), res.group('''minor'''	), res.group('''patch'''	)]	)





def      UpperCAmelCase     (       _lowercase :   Optional[Any]	)						-> List[str]:


	"""simple docstring"""




	return ".".join(str(_lowercase	) for v in version_tuple	)

from __future__ import annotations

from collections import Counter
from random import random
class       _lowerCAmelCase  :

 """simple docstring"""

 def __init__(						self			:			Union[str, Any]   ):






      """simple docstring"""



      UpperCamelCase						    =					{}

 def      __lowerCAmelCase  (						self			:			Tuple					, SCREAMING_SNAKE_CASE__			:			str   ):






      """simple docstring"""



      UpperCamelCase						    =					{}

 def      __lowerCAmelCase  (						self			:			Optional[Any]					, SCREAMING_SNAKE_CASE__			:			str					, SCREAMING_SNAKE_CASE__			:			str					, SCREAMING_SNAKE_CASE__			:			float   ):






      """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__   )
      UpperCamelCase						    =					probability

 def      __lowerCAmelCase  (						self			:			str   ):






      """simple docstring"""



      return list(self.connections   )






 def      __lowerCAmelCase  (						self			:			Any					, SCREAMING_SNAKE_CASE__			:			str   ):






      """simple docstring"""



      UpperCamelCase						    =					0
      UpperCamelCase						    =					random()

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




def  __lowerCamelCase					( _lowercase						,     _lowercase						,     _lowercase			)       ->      dict[str, int]:
     UpperCamelCase						    =					MarkovChainGraphUndirectedUnweighted()

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

     UpperCamelCase						    =					Counter(graph.get_nodes()			)
     UpperCamelCase						    =					start

     for _ in range(_lowercase			):
          UpperCamelCase						    =					graph.transition(_lowercase			)
          visited[node] += 1

     return visited


if __name__ == "__main__":
 import doctest

 doctest.testmod()


