
"""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      lowerCamelCase_     (						lowerCamelCase_			)  ->      Dict:


					'''simple docstring'''
					return c.isdigit()


def      lowerCamelCase_     (						lowerCamelCase_			)  ->      Dict:


					'''simple docstring'''
					__a:    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
															__a:    List[Any]		     =       stack.pop()
															__a:    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))





'''simple docstring'''



import pytest

from datasets.utils.version import Version


@pytest.mark.parametrize(
    '''other, expected_equality'''   ,				[
        (Version('''1.0.0'''			), True),
        ('''1.0.0''', True),
        (Version('''2.0.0'''			), False),
        ('''2.0.0''', False),
        ('''1''', False),
        ('''a''', False),
        (1, False),
        (None, False),
    ]   ,				)
def 							__UpperCAmelCase				(				UpperCamelCase__				:Optional[int]   ,				UpperCamelCase__				:int			)		->						List[str]:
				snake_case__      :   Optional[int]      =    Version('''1.0.0'''			)
				assert (version == other) is expected_equality
				assert (version != other) is not expected_equality
				assert (hash(UpperCamelCase__			) == hash(UpperCamelCase__			)) is expected_equality




