



'''simple docstring'''







from .stack import Stack







def  SCREAMING_SNAKE_CASE__ (				SCREAMING_SNAKE_CASE     ):
		SCREAMING_SNAKE_CASE_						:Stack[str]										=      Stack()
		SCREAMING_SNAKE_CASE_						:List[str]										=      {'(': ')', '[': ']', '{': '}'}
		for bracket in parentheses:
				if bracket in bracket_pairs:
						stack.push(SCREAMING_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()

							SCREAMING_SNAKE_CASE__     : Optional[int]				=   ["""((()))""", """((())""", """(()))"""]
							print("""Balanced parentheses demonstration:\n""")
							for example in examples:
														SCREAMING_SNAKE_CASE__     : str				=   """""" if balanced_parentheses(example) else """not """
														print(f"""{example} is {not_str}balanced""")







'''simple docstring'''


from __future__ import annotations




def       A							(      _UpperCAmelCase   :				list[int]						,_UpperCAmelCase   :				int					)  ->				int:


  '''simple docstring'''




  __lowerCAmelCase     ,					__lowerCAmelCase		:    Dict			     =  0, len(_UpperCAmelCase					) - 1
  while start_ind <= end_ind:
    if array[start_ind] == search_item:
      return start_ind
    elif array[end_ind] == search_item:
      return end_ind
    else:
      start_ind += 1
      end_ind -= 1
    # returns -1 if search_item is not found in array
  return -1


if __name__ == "__main__":
    print(double_linear_search(list(range(1_00)), 40))





