





"""simple docstring"""




def 			a_							(				_lowercase  ):
						_UpperCamelCase     :   List[str]      =       []
						_UpperCamelCase     :   Union[str, Any]      =       1

						for i in range(len(_lowercase  )  ):
												if i + 1 < len(_lowercase  ) and text[i] == text[i + 1]:
																		count += 1
												else:
																		encoded.append((text[i], count)  )
																		_UpperCamelCase     :   int      =       1

						return encoded





def 			a_							(				_lowercase  ):
						return "".join(char * length for char, length in encoded  )


if __name__ == "__main__":
						from doctest import testmod

						testmod(name="""run_length_encode""", verbose=True)
						testmod(name="""run_length_decode""", verbose=True)









'''simple docstring'''




from __future__ import annotations

from statistics import mean




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




def     snake_case__     (			lowerCamelCase__					: list[int]      ,		lowerCamelCase__					: list[int]      ) -> list[int]:
					return [burst + waiting for burst, waiting in zip(lowerCamelCase__      ,		lowerCamelCase__      )]


if __name__ == "__main__":
							snake_case__ 							=    [3, 5, 7]
							snake_case__ 							=    calculate_waiting_times(burst_times)
							snake_case__ 							=    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}')



