




import os

from apache_beam.io.filesystems import FileSystems
from apache_beam.pipeline import Pipeline

from .logging import get_logger


SCREAMING_SNAKE_CASE__ :   Any						=     2 << 20  # 2mb
SCREAMING_SNAKE_CASE__ :   Any						=     get_logger(__name__)




class 	UpperCamelCase__			(lowerCAmelCase__  ):

    '''simple docstring'''



    def 					_lowercase  (					self  )  ->   List[str]:
           lowerCamelCase     :   Union[str, Any]    				=      self._options.get_all_options().get("runner"  )
           return runner in [None, "DirectRunner", "PortableRunner"]




def   A   (   _SCREAMING_SNAKE_CASE				,_SCREAMING_SNAKE_CASE				,_SCREAMING_SNAKE_CASE=False					)			->				Optional[Any]:
       lowerCamelCase     :   Any    				=      FileSystems
       if fs.exists(_SCREAMING_SNAKE_CASE					):
              if force_upload:
                     logger.info(f'''Remote path already exist: {remote_file_path}. Overwriting it as force_upload=True.'''					)
              else:
                     logger.info(f'''Remote path already exist: {remote_file_path}. Skipping it as force_upload=False.'''					)
                     return
       with fs.create(_SCREAMING_SNAKE_CASE					) as remote_file:
              with open(_SCREAMING_SNAKE_CASE				,"rb"					) as local_file:
                     lowerCamelCase     :   str    				=      local_file.read(_SCREAMING_SNAKE_CASE					)
                     while chunk:
                            remote_file.write(_SCREAMING_SNAKE_CASE					)
                            lowerCamelCase     :   Optional[Any]    				=      local_file.read(_SCREAMING_SNAKE_CASE					)


def   A   (   _SCREAMING_SNAKE_CASE				,_SCREAMING_SNAKE_CASE				,_SCREAMING_SNAKE_CASE=False					)			->				Dict:
       lowerCamelCase     :   List[str]    				=      FileSystems
       if os.path.exists(_SCREAMING_SNAKE_CASE					):
              if force_download:
                     logger.info(f'''Local path already exist: {remote_file_path}. Overwriting it as force_upload=True.'''					)
              else:
                     logger.info(f'''Local path already exist: {remote_file_path}. Skipping it as force_upload=False.'''					)
                     return
       with fs.open(_SCREAMING_SNAKE_CASE					) as remote_file:
              with open(_SCREAMING_SNAKE_CASE				,"wb"					) as local_file:
                     lowerCamelCase     :   int    				=      remote_file.read(_SCREAMING_SNAKE_CASE					)
                     while chunk:
                            local_file.write(_SCREAMING_SNAKE_CASE					)
                            lowerCamelCase     :   Union[str, Any]    				=      remote_file.read(_SCREAMING_SNAKE_CASE					)










SCREAMING_SNAKE_CASE__ :   str						=     {
    '+': lambda x, y: x + y,
    '-': lambda x, y: x - y,
    '*': lambda x, y: x * y,
    '/': lambda x, y: x / y,
}

def   A   (   _SCREAMING_SNAKE_CASE					)			->				List[str]:
       return c.isdigit()

def   A   (   _SCREAMING_SNAKE_CASE					)			->				Optional[Any]:
       lowerCamelCase     :   Tuple    				=      []

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

              else:
                     # pop values from stack can calculate the result
                     # push the result onto the stack again
                     lowerCamelCase     :   str    				=      stack.pop()
                     lowerCamelCase     :   Optional[int]    				=      stack.pop()
                     stack.append(calc[c](_SCREAMING_SNAKE_CASE				,_SCREAMING_SNAKE_CASE					)					)

       return stack.pop()


# Driver code
if __name__ == "__main__":
       SCREAMING_SNAKE_CASE__ :   Optional[int]						=     '+ 9 * 2 6'
       print(evaluate(test_expression))

       SCREAMING_SNAKE_CASE__ :   Union[str, Any]						=     '/ * 10 2 + 4 1 '
       print(evaluate(test_expression))






