code: from __future__ import annotations
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	list[int]				):
         _UpperCamelCase     :       Tuple  						=  [0] * len(lowercase_				)
         for i in range(1		,						len(lowercase_				)				):
                _UpperCamelCase     :       Tuple  						=  duration_times[i - 1] + waiting_times[i - 1]
         return waiting_times
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	list[int]		,						lowercase_:	list[int]				):
         return [
             duration_time + waiting_times[i]
             for i, duration_time in enumerate(lowercase_				)
         ]
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	list[int]				):
         return sum(lowercase_				) / len(lowercase_				)
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	list[int]				):
         return sum(lowercase_				) / len(lowercase_				)
  
  
  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: UpperCAmelCase					=				[chr(i) for i in range(32, 1_26)]
  UpperCAmelCase					=				list(range(len(alphabets)))
  UpperCAmelCase					=				list(range(len(alphabets)))
  UpperCAmelCase					=				list(range(len(alphabets)))
  UpperCAmelCase					=				list(reversed(range(len(alphabets))))
  UpperCAmelCase					=				[]
  UpperCAmelCase					=				UpperCAmelCase					=				UpperCAmelCase					=				0
  
  
  def SCREAMING_SNAKE_CASE				(     ):
         global gear_one_pos
         global gear_two_pos
         global gear_three_pos
         _UpperCamelCase     :       Any  						=  gear_one[0]
         gear_one.append(lowercase_				)
         del gear_one[0]
         gear_one_pos += 1
         if gear_one_pos % int(len(lowercase_				)				) == 0:
                _UpperCamelCase     :       str  						=  gear_two[0]
                gear_two.append(lowercase_				)
                del gear_two[0]
                gear_two_pos += 1
                if gear_two_pos % int(len(lowercase_				)				) == 0:
                       _UpperCamelCase     :       int  						=  gear_three[0]
                       gear_three.append(lowercase_				)
                       del gear_three[0]
                       gear_three_pos += 1
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	List[Any]				):
         _UpperCamelCase     :       Dict  						=  alphabets.index(lowercase_				)
         _UpperCamelCase     :       Union[str, Any]  						=  gear_one[target]
         _UpperCamelCase     :       Any  						=  gear_two[target]
         _UpperCamelCase     :       Tuple  						=  gear_three[target]
         _UpperCamelCase     :       Tuple  						=  reflector[target]
         _UpperCamelCase     :       Any  						=  gear_three.index(lowercase_				)
         _UpperCamelCase     :       Any  						=  gear_two.index(lowercase_				)
         _UpperCamelCase     :       str  						=  gear_one.index(lowercase_				)
         code.append(alphabets[target]				)
         rotator()
  
  
  if __name__ == "__main__":
   UpperCAmelCase					=				list(input('''Type your message:\n'''))
   while True:
    try:
     UpperCAmelCase					=				int(input('''Please set token:(must be only digits)\n'''))
     break
    except Exception as error:
     print(error)
   for _ in range(token):
    rotator()
   for j in decode:
    engine(j)
   print('''\n''' + ''''''.join(code))
   print(
       f'''\nYour Token is {token} please write it down.\nIf you want to decode '''
       '''this message again you should input same digits as token!'''
   )
  
  
  
  