

from __future__ import annotations

from collections import Counter
from random import random






class 			UpperCAmelCase__						:






  """simple docstring"""


  def __init__(				self		:						Optional[int]   )						->				str:
       SCREAMING_SNAKE_CASE__       =       {}






  def  lowercase_						(				self		:						Dict      ,  __lowerCamelCase		:						Tuple   )						->				str:
       SCREAMING_SNAKE_CASE__       =       {}






  def  lowercase_						(				self		:						Optional[int]      ,  __lowerCamelCase		:						str      ,  __lowerCamelCase		:						Tuple      ,  __lowerCamelCase		:						Any   )						->				Dict:
       if nodea not in self.connections:
            self.add_node(lowercase__   )
       if nodea not in self.connections:
            self.add_node(lowercase__   )
       SCREAMING_SNAKE_CASE__       =       probability






  def  lowercase_						(				self		:						Optional[int]   )						->				List[Any]:
       return list(self.connections   )







  def  lowercase_						(				self		:						Union[str, Any]      ,  __lowerCamelCase		:						List[Any]   )						->				int:
       SCREAMING_SNAKE_CASE__       =       0
       SCREAMING_SNAKE_CASE__       =       random()

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



def 							UpperCAmelCase_  (		_A ,						_A ,						_A							):





     '''simple docstring'''




     SCREAMING_SNAKE_CASE__       =       MarkovChainGraphUndirectedUnweighted()

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

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

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

     return visited


if __name__ == "__main__":
       import doctest

       doctest.testmod()






import unittest

from knapsack import greedy_knapsack as kp




class 							lowerCamelCase   (  unittest.TestCase ):


	def  A(    self):
							__UpperCAmelCase			:							Optional[Any]	    =	[1_0, 2_0, 3_0, 4_0, 5_0, 6_0]
							__UpperCAmelCase			:							str	    =	[2, 4, 6, 8, 1_0, 1_2]
							__UpperCAmelCase			:							List[Any]	    =	1_0_0
							self.assertEqual(kp.calc_profit(lowercase__				,     lowercase__				,     lowercase__)				,     2_1_0)


	def  A(    self):
							self.assertRaisesRegex(lowercase__				,     '''max_weight must greater than zero.''')


	def  A(    self):
							self.assertRaisesRegex(lowercase__				,     '''Weight can not be negative.''')


	def  A(    self):
							self.assertRaisesRegex(lowercase__				,     '''Profit can not be negative.''')


	def  A(    self):
							self.assertRaisesRegex(lowercase__				,     '''max_weight must greater than zero.''')


	def  A(    self):
							self.assertRaisesRegex(
							    lowercase__				,     '''The length of profit and weight must be same.''')


if __name__ == "__main__":
				unittest.main()

