
def 						__magic_name__			(   __a      :	Union[str, Any]						):



     '''simple docstring'''




     UpperCamelCase__				=    []
     UpperCamelCase__				=    set({"""(""", """[""", """{"""}						)
     UpperCamelCase__				=    set({""")""", """]""", """}"""}						)
     UpperCamelCase__				=    {"""{""": """}""", """[""": """]""", """(""": """)"""}

     for i in range(len(__a						)						):
          if s[i] in open_brackets:
               stack.append(s[i]						)

          elif s[i] in closed_brackets and (
              len(__a						) == 0 or (len(__a						) > 0 and open_to_closed[stack.pop()] != s[i])
          ):
               return False

     return len(__a						) == 0






def 						__magic_name__			(   ):



     '''simple docstring'''




     UpperCamelCase__				=    input("""Enter sequence of brackets: """						)
     if is_balanced(__a						):
          print(__a	,		"""is balanced"""						)
     else:
          print(__a	,		"""is not balanced"""						)


if __name__ == "__main__":
    main()







from __future__ import annotations

from collections import Counter
from random import random




class      __A:

  """simple docstring"""







  def __init__(self						):
       UpperCamelCase__				=    {}







  def 	UpperCAmelCase_ (self	,      SCREAMING_SNAKE_CASE_						):
       UpperCamelCase__				=    {}







  def 	UpperCAmelCase_ (self	,      SCREAMING_SNAKE_CASE_	,      SCREAMING_SNAKE_CASE_	,      SCREAMING_SNAKE_CASE_						):
       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 	UpperCAmelCase_ (self						):
       return list(self.connections						)







  def 	UpperCAmelCase_ (self	,      SCREAMING_SNAKE_CASE_						):
       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 						__magic_name__			(   __a      :	str	,		__a      :	list[tuple[str, str, float]]	,		__a      :	int						):



     '''simple docstring'''




     UpperCamelCase__				=    MarkovChainGraphUndirectedUnweighted()

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

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

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

     return visited


if __name__ == "__main__":
    import doctest

    doctest.testmod()





