
'''simple docstring'''







from __future__ import annotations

def 				_snake_case (		lowercase						)       ->       list[int]:
				__a       :     Union[str, Any]								=	[0] * len(lowercase						)
				for i in range(1			,    len(lowercase						)						):
								__a       :     Any								=	duration_times[i - 1] + waiting_times[i - 1]
				return waiting_times

def 				_snake_case (		lowercase			,    lowercase						)       ->       list[int]:
				return [
				    duration_time + waiting_times[i]
				    for i, duration_time in enumerate(lowercase						)
				]

def 				_snake_case (		lowercase						)       ->       float:
				return sum(lowercase						) / len(lowercase						)

def 				_snake_case (		lowercase						)       ->       float:
				return sum(lowercase						) / len(lowercase						)


if __name__ == "__main__":
					# process id's
					__SCREAMING_SNAKE_CASE		:  Dict        =      [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
					__SCREAMING_SNAKE_CASE		:  Any        =      [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
					__SCREAMING_SNAKE_CASE		:  Optional[int]        =      calculate_waiting_times(duration_times)
					__SCREAMING_SNAKE_CASE		:  int        =      calculate_turnaround_times(duration_times, waiting_times)

					# get the average times
					__SCREAMING_SNAKE_CASE		:  Any        =      calculate_average_waiting_time(waiting_times)
					__SCREAMING_SNAKE_CASE		:  Dict        =      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}''')

'''simple docstring'''







def 				_snake_case (		lowercase = 1_0_0_0						)       ->       int:
				__a       :     Any								=	[]
				__a       :     List[Any]								=	[]
				__a       :     Any								=	3
				__a       :     Optional[Any]								=	5
				__a       :     Optional[Any]								=	1
				while True:
								__a       :     List[str]								=	z * temp
								if result < n:
												zmulti.append(lowercase						)
												temp += 1
								else:
												__a       :     Any								=	1
												break
				while True:
								__a       :     Optional[int]								=	x * temp
								if result < n:
												xmulti.append(lowercase						)
												temp += 1
								else:
												break
				__a       :     Any								=	list(set(xmulti + zmulti						)						)
				return sum(lowercase						)


if __name__ == "__main__":
					print(f'''{solution() = }''')