



def       A_   (						__a  :					list		):

				"""simple docstring"""
				if not isinstance(__a			,		__a		):
								raise ValueError("""Input series is not valid, valid series - [2, 4, 8]"""		)
				if len(__a		) == 0:
								raise ValueError("""Input list must be a non empty list"""		)
				if len(__a		) == 1:
								return True
				try:
								a__					   =		series[1] / series[0]
								for index in range(len(__a		) - 1		):
												if series[index + 1] / series[index] != common_ratio:
																return False
				except ZeroDivisionError:
								return False
				return True

def       A_   (						__a  :					list		):

				"""simple docstring"""
				if not isinstance(__a			,		__a		):
								raise ValueError("""Input series is not valid, valid series - [2, 4, 8]"""		)
				if len(__a		) == 0:
								raise ValueError("""Input list must be a non empty list"""		)
				a__					   =		1
				for value in series:
								answer *= value
				return pow(__a			,		1 / len(__a		)		)


if __name__ == "__main__":
	import doctest

	doctest.testmod()


from __future__ import annotations

from statistics import mean


def SCREAMING_SNAKE_CASE					(  lowercase_:						list[int]					):
       _UpperCamelCase  :							str	    =	2
       _UpperCamelCase  :							Optional[int]	    =	list(lowercase_					)
       _UpperCamelCase  :							Union[str, Any]	    =	[0] * len(lowercase_					)
       _UpperCamelCase  :							List[str]	    =	0
       while True:
              _UpperCamelCase  :							List[str]	    =	True
              for i, burst_time in enumerate(lowercase_					):
                     if rem_burst_times[i] > 0:
                            _UpperCamelCase  :							List[str]	    =	False
                            if rem_burst_times[i] > quantum:
                                   t += quantum
                                   rem_burst_times[i] -= quantum
                            else:
                                   t += rem_burst_times[i]
                                   _UpperCamelCase  :							str	    =	t - burst_time
                                   _UpperCamelCase  :							Union[str, Any]	    =	0
              if done is True:
                     return waiting_times


def SCREAMING_SNAKE_CASE					(  lowercase_:						list[int]		,    lowercase_:						list[int]					):
       return [burst + waiting for burst, waiting in zip(lowercase_		,    lowercase_					)]


if __name__ == "__main__":
 UpperCAmelCase      		=					[3, 5, 7]
 UpperCAmelCase      		=					calculate_waiting_times(burst_times)
 UpperCAmelCase      		=					calculate_turn_around_times(burst_times, waiting_times)
 print('''Process ID \tBurst Time \tWaiting Time \tTurnaround Time''')
 for i, burst_time in enumerate(burst_times):
  print(
      f'''  {i + 1}\t\t  {burst_time}\t\t  {waiting_times[i]}\t\t  '''
      f'''{turn_around_times[i]}'''
  )
 print(f'''\nAverage waiting time = {mean(waiting_times):.5f}''')
 print(f'''Average turn around time = {mean(turn_around_times):.5f}''')



