





from .stack import Stack
def  __UpperCamelCase    (						snake_case      )    ->		bool:


   '''simple docstring'''







   __A    =  Stack()
   __A    =  {'''(''': ''')''', '''[''': ''']''', '''{''': '''}'''}
   for bracket in parentheses:
      if bracket in bracket_pairs:
         stack.push(snake_case      )
      elif bracket in (")", "]", "}"):
         if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
            return False
   return stack.is_empty()


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

    testmod()

    _UpperCamelCase       :				Tuple           =			["""((()))""", """((())""", """(()))"""]
    print("""Balanced parentheses demonstration:\n""")
    for example in examples:
        _UpperCamelCase       :				Optional[Any]           =			"""""" if balanced_parentheses(example) else """not """
        print(F"""{example} is {not_str}balanced""")








from __future__ import annotations
def  __UpperCamelCase    (						snake_case      )    ->		bool:


   '''simple docstring'''







   __A    =  42
   __A    =  list(snake_case      )
   __A   ,		__A    =  _vector[:-1], int(_vector[-1]      )
   __A    =  [int(snake_case      ) for digit in __vector]

   vector.reverse()
   for i, digit in enumerate(snake_case      ):
      if i & 1 == 0:
         __A    =  digit * 2
         if doubled > 9:
            doubled -= 9
         check_digit += doubled
      else:
         check_digit += digit

   return check_digit % 1_0 == 0


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    assert is_luhn("""79927398713""")
    assert not is_luhn("""79927398714""")

