

from __future__ import annotations

from typing import Any
def      a      (			A__	:   list     )    ->      int:





      """simple docstring"""



      if not postfix_notation:
            return 0

      _lowercase	       ={'+', '-', '*', '/'}
      _lowercase	       =[]

      for token in postfix_notation:
            if token in operations:
                  _lowercase       ,       _lowercase	       =stack.pop(), stack.pop()
                  if token == "+":
                        stack.append(a + b     )
                  elif token == "-":
                        stack.append(a - b     )
                  elif token == "*":
                        stack.append(a * b     )
                  else:
                        if a * b < 0 and a % b != 0:
                              stack.append(a // b + 1     )
                        else:
                              stack.append(a // b     )
            else:
                  stack.append(int(A__     )     )

      return stack.pop()


if __name__ == "__main__":
  import doctest

  doctest.testmod()





def      a      (			A__	:   str      ,   A__	:   bool = False     )    ->      str:





      """simple docstring"""



      if not isinstance(A__      ,   A__     ):
            _lowercase	       =F'''Expected string as input, found {type(A__     )}'''
            raise ValueError(A__     )
      if not isinstance(A__      ,   A__     ):
            _lowercase	       =F'''Expected boolean as use_pascal parameter, found {type(A__     )}'''
            raise ValueError(A__     )

      _lowercase	       =input_str.split('_'     )

      _lowercase	       =0 if use_pascal else 1

      _lowercase	       =words[start_index:]

      _lowercase	       =[word[0].upper() + word[1:] for word in words_to_capitalize]

      _lowercase	       ='' if use_pascal else words[0]

      return "".join([initial_word, *capitalized_words]     )


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

  testmod()


