



'''simple docstring'''



_lowercase       :						Optional[int]						={
    "+": lambda x, y: x + y,
    "-": lambda x, y: x - y,
    "*": lambda x, y: x * y,
    "/": lambda x, y: x / y,
}


def 							__UpperCAmelCase				(				UpperCamelCase__				:List[str]			)		->						Dict:
				return c.isdigit()


def 							__UpperCAmelCase				(				UpperCamelCase__				:Union[str, Any]			)		->						Dict:
				snake_case__      :   Union[str, Any]      =    []

				# iterate over the string in reverse order
				for c in expression.split()[::-1]:
								# push operand to stack
								if is_operand(UpperCamelCase__			):
												stack.append(int(UpperCamelCase__			)			)

								else:
												# pop values from stack can calculate the result
												# push the result onto the stack again
												snake_case__      :   List[Any]      =    stack.pop()
												snake_case__      :   List[str]      =    stack.pop()
												stack.append(calc[c](UpperCamelCase__   ,				UpperCamelCase__			)			)

				return stack.pop()


# Driver code
if __name__ == "__main__":
				_lowercase       :						int						="+ 9 * 2 6"
				print(evaluate(test_expression))

				_lowercase       :						int						="/ * 10 2 + 4 1 "
				print(evaluate(test_expression))






import math




def 		lowerCAmelCase_     (     _SCREAMING_SNAKE_CASE  )   ->      list[int]:

							"""simple docstring"""






							if not isinstance(_SCREAMING_SNAKE_CASE      ,	_SCREAMING_SNAKE_CASE  ):
														_UpperCAmelCase  :			Optional[Any]	       =		F"""Input value of [number={number}] must be an integer"""
														raise TypeError(_SCREAMING_SNAKE_CASE  )
							if number < 1:
														_UpperCAmelCase  :			Dict	       =		F"""Input value of [number={number}] must be a positive integer"""
														raise ValueError(_SCREAMING_SNAKE_CASE  )
							_UpperCAmelCase  :			List[Any]	       =		[number]
							while number != 1:
														if number % 2 == 0:
																					_UpperCAmelCase  :			List[str]	       =		math.floor(math.sqrt(_SCREAMING_SNAKE_CASE  )  )
														else:
																					_UpperCAmelCase  :			Dict	       =		math.floor(
																					    math.sqrt(_SCREAMING_SNAKE_CASE  ) * math.sqrt(_SCREAMING_SNAKE_CASE  ) * math.sqrt(_SCREAMING_SNAKE_CASE  )  )
														sequence.append(_SCREAMING_SNAKE_CASE  )
							return sequence


if __name__ == "__main__":
				import doctest

				doctest.testmod()




