code: from __future__ import annotations
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			list[int]:
  							lowerCAmelCase				=	[0] * len(snake_case__							)
  							for i in range(1     ,						len(snake_case__							)							):
  														lowerCAmelCase				=	duration_times[i - 1] + waiting_times[i - 1]
  							return waiting_times
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__     ,						snake_case__							)  ->			list[int]:
  							return [
  							    duration_time + waiting_times[i]
  							    for i, duration_time in enumerate(snake_case__							)
  							]
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			float:
  							return sum(snake_case__							) / len(snake_case__							)
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			float:
  							return sum(snake_case__							) / len(snake_case__							)
  
  
  if __name__ == "__main__":
  	# process id's
  	lowercase__    :       int						=			[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
  	lowercase__    :       Dict						=			[1_9, 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
  	lowercase__    :       Optional[int]						=			calculate_waiting_times(duration_times)
  	lowercase__    :       Union[str, Any]						=			calculate_turnaround_times(duration_times, waiting_times)
  
  	# get the average times
  	lowercase__    :       Optional[int]						=			calculate_average_waiting_time(waiting_times)
  	lowercase__    :       List[Any]						=			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: import math
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			float:
  							lowerCAmelCase				=	math.log(2     ,						1_0							) * number
  							lowerCAmelCase				=	round((log_number - int(snake_case__							))     ,						1_5							)
  
  							return difference
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__ = 6_7_8_9_1_0							)  ->			int:
  							lowerCAmelCase				=	9_0
  							lowerCAmelCase				=	0
  
  							lowerCAmelCase				=	math.log(1.23     ,						1_0							)
  							lowerCAmelCase				=	math.log(1.24     ,						1_0							)
  							lowerCAmelCase				=	0
  
  							while position < number:
  														lowerCAmelCase				=	log_difference(snake_case__							)
  
  														if difference >= upper_limit:
  																					power_iterator += 9_3
  
  														elif difference < lower_limit:
  																					power_iterator += 1_9_6
  
  														else:
  																					lowerCAmelCase				=	power_iterator
  																					power_iterator += 1_9_6
  																					position += 1
  
  							return previous_power
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  	print(f'{solution() = }')
  
  
  
  