
'''simple docstring'''

from __future__ import annotations

from collections import Counter
from random import random






class  A  :





	def __init__(       self      :							Optional[int]				):


				"""simple docstring"""

				lowerCAmelCase__										=				{}





	def 				__SCREAMING_SNAKE_CASE	(       self      :							Any   ,				__magic_name__      :							str				):


				"""simple docstring"""

				lowerCAmelCase__										=				{}





	def 				__SCREAMING_SNAKE_CASE	(       self      :							Dict   ,				__magic_name__      :							str   ,				__magic_name__      :							str   ,				__magic_name__      :							float				):


				"""simple docstring"""

				if nodea not in self.connections:
							self.add_node(__magic_name__				)
				if nodea not in self.connections:
							self.add_node(__magic_name__				)
				lowerCAmelCase__										=				probability





	def 				__SCREAMING_SNAKE_CASE	(       self      :							Optional[Any]				):


				"""simple docstring"""

				return list(self.connections				)







	def 				__SCREAMING_SNAKE_CASE	(       self      :							Union[str, Any]   ,				__magic_name__      :							str				):


				"""simple docstring"""

				lowerCAmelCase__										=				0
				lowerCAmelCase__										=				random()

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







def 	A  (   UpperCamelCase_       :  str    ,						UpperCamelCase_       :  list[tuple[str, str, float]]    ,						UpperCamelCase_       :  int   )       ->							dict[str, int]:







			'''simple docstring'''



			lowerCAmelCase__										=				MarkovChainGraphUndirectedUnweighted()

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

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

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

			return visited


if __name__ == "__main__":
		import doctest

		doctest.testmod()









lowerCamelCase__							:						List[str]							     =   """Alexander Joslin"""

import operator as op

from .stack import Stack







def SCREAMING_SNAKE_CASE	(			__lowerCAmelCase				)    ->				int:
  snake_case__						= {'''*''': op.mul, '''/''': op.truediv, '''+''': op.add, '''-''': op.sub}

  snake_case__						= Stack()
  snake_case__						= Stack()

  for i in equation:
    if i.isdigit():
      # RULE 1
      operand_stack.push(int(__lowerCAmelCase				)				)
    elif i in operators:
      # RULE 2
      operator_stack.push(__lowerCAmelCase				)
    elif i == ")":
      # RULE 4
      snake_case__						= operator_stack.peek()
      operator_stack.pop()
      snake_case__						= operand_stack.peek()
      operand_stack.pop()
      snake_case__						= operand_stack.peek()
      operand_stack.pop()

      snake_case__						= operators[opr](__lowerCAmelCase							,   __lowerCAmelCase				)
      operand_stack.push(__lowerCAmelCase				)

    # RULE 5
  return operand_stack.peek()


if __name__ == "__main__":
   lowerCamelCase__							:						Optional[Any]							     =   """(5 + ((4 * 2) * (2 + 3)))"""
   # answer = 45
   print(F"""{equation} = {dijkstras_two_stack_algorithm(equation)}""")

