code: 
  
  
  """simple docstring"""
  from __future__ import annotations
  
  def 							_snake_case			(      __snake_case       :			str      ):
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _lowerCamelCase  :				Optional[Any]      =		[0] * len(__A      )
     for i in range(1	,   len(__A      )      ):
        _lowerCamelCase  :				Union[str, Any]      =		duration_times[i - 1] + waiting_times[i - 1]
     return waiting_times
  
  def 							_snake_case			(      __snake_case       :			Any	,   __snake_case       :			Dict      ):
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     return [
         duration_time + waiting_times[i]
         for i, duration_time in enumerate(__A      )
     ]
  
  def 							_snake_case			(      __snake_case       :			Optional[Any]      ):
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     return sum(__A      ) / len(__A      )
  
  def 							_snake_case			(      __snake_case       :			Tuple      ):
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     return sum(__A      ) / len(__A      )
  
  
  if __name__ == "__main__":
       # process id's
       UpperCAmelCase   =	[1, 2, 3]
  
       # ensure that we actually have processes
       if len(processes) == 0:
            print("""Zero amount of processes""")
            raise SystemExit(0)
  
       # duration time of all processes
       UpperCAmelCase   =	[19, 8, 9]
  
       # ensure we can match each id to a duration time
       if len(duration_times) != len(processes):
            print("""Unable to match all id\'s with their duration time""")
            raise SystemExit(0)
  
       # get the waiting times and the turnaround times
       UpperCAmelCase   =	calculate_waiting_times(duration_times)
       UpperCAmelCase   =	calculate_turnaround_times(duration_times, waiting_times)
  
       # get the average times
       UpperCAmelCase   =	calculate_average_waiting_time(waiting_times)
       UpperCAmelCase   =	calculate_average_turnaround_time(turnaround_times)
  
       # print all the results
       print("""Process ID\tDuration Time\tWaiting Time\tTurnaround Time""")
       for i, process in enumerate(processes):
            print(
                f'''{process}\t\t{duration_times[i]}\t\t{waiting_times[i]}\t\t'''
                f'''{turnaround_times[i]}'''
            )
       print(f'''Average waiting time = {average_waiting_time}''')
       print(f'''Average turn around time = {average_turnaround_time}''')
  
  
style_context: 
  
  
  """simple docstring"""
  import os
  
  from apache_beam.io.filesystems import FileSystems
  from apache_beam.pipeline import Pipeline
  
  from .logging import get_logger
  
  
  UpperCAmelCase   =	2 << 20  # 2mb
  UpperCAmelCase   =	get_logger(__name__)
  
  
  
  
  class   lowercase__							(				A_							):
  
  
  
  
  
     def 		UpperCamelCase_     (       self)     ->     Dict:
        _lowerCamelCase  :				Tuple      =		self._options.get_all_options().get("""runner""")
        return runner in [None, "DirectRunner", "PortableRunner"]
  
  
  
  
  
  
  
  def 							_snake_case			(      __snake_case       :			Union[str, Any]	,   __snake_case       :			List[Any]	,   __snake_case       :			Any=False      ):
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _lowerCamelCase  :				Any      =		FileSystems
     if fs.exists(__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(__snake_case      ) as remote_file:
        with open(__snake_case	,   """rb"""      ) as local_file:
           _lowerCamelCase  :				Optional[Any]      =		local_file.read(__snake_case      )
           while chunk:
              remote_file.write(__snake_case      )
              _lowerCamelCase  :				Tuple      =		local_file.read(__snake_case      )
  
  
  
  
  
  def 							_snake_case			(      __snake_case       :			Union[str, Any]	,   __snake_case       :			List[Any]	,   __snake_case       :			Union[str, Any]=False      ):
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _lowerCamelCase  :				int      =		FileSystems
     if os.path.exists(__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(__snake_case      ) as remote_file:
        with open(__snake_case	,   """wb"""      ) as local_file:
           _lowerCamelCase  :				str      =		remote_file.read(__snake_case      )
           while chunk:
              local_file.write(__snake_case      )
              _lowerCamelCase  :				Any      =		remote_file.read(__snake_case      )
  
  