




'''simple docstring'''






from __future__ import annotations

def      __lowerCAmelCase   (       snake_case__		):
			__UpperCamelCase :     str										=  [0] * len(snake_case__		)
			for i in range(1   , len(snake_case__		)		):
						__UpperCamelCase :     Optional[Any]										=  duration_times[i - 1] + waiting_times[i - 1]
			return waiting_times

def      __lowerCAmelCase   (       snake_case__   , snake_case__		):
			return [
			    duration_time + waiting_times[i]
			    for i, duration_time in enumerate(snake_case__		)
			]

def      __lowerCAmelCase   (       snake_case__		):
			return sum(snake_case__		) / len(snake_case__		)

def      __lowerCAmelCase   (       snake_case__		):
			return sum(snake_case__		) / len(snake_case__		)


if __name__ == "__main__":
				# process id's
				_lowerCAmelCase       =   [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
				_lowerCAmelCase       =   [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
				_lowerCAmelCase       =   calculate_waiting_times(duration_times)
				_lowerCAmelCase       =   calculate_turnaround_times(duration_times, waiting_times)

				# get the average times
				_lowerCAmelCase       =   calculate_average_waiting_time(waiting_times)
				_lowerCAmelCase       =   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'''






import itertools

def      __lowerCAmelCase   (       snake_case__		):
			return (
			    int("".join(combination[0:2]		)		) * int("".join(combination[2:5]		)		)
			    == int("".join(combination[5:9]		)		)
			) or (
			    int("".join(combination[0]		)		) * int("".join(combination[1:5]		)		)
			    == int("".join(combination[5:9]		)		)
			)

def      __lowerCAmelCase   (       ):
			return sum(
			    {
			        int("".join(pandigital[5:9]		)		)
			        for pandigital in itertools.permutations("123456789"		)
			        if is_combination_valid(snake_case__		)
			    }		)


if __name__ == "__main__":
				print(solution())



