

'''simple docstring'''





from __future__ import annotations

from statistics import mean






def 				_lowerCAmelCase			(   __magic_name__						:     list[int]   , __magic_name__						:     list[int]   , __magic_name__						:     int						)				->  list[int]:
						lowercase :							List[str]    		=[0] * no_of_processes
						lowercase :							int    		=[0] * no_of_processes

						# Initialize remaining_time to waiting_time.

						for i in range(__magic_name__						):
												lowercase :							Union[str, Any]    		=burst_time[i]
						lowercase :							list[int]    		=[]

						lowercase :							str    		=0
						lowercase :							int    		=0

						# When processes are not completed,
						# A process whose arrival time has passed \
						# and has remaining execution time is put into the ready_process.
						# The shortest process in the ready_process, target_process is executed.

						while completed != no_of_processes:
												lowercase :							str    		=[]
												lowercase :							Tuple    		=-1

												for i in range(__magic_name__						):
																		if (arrival_time[i] <= total_time) and (remaining_time[i] > 0):
																								ready_process.append(__magic_name__						)

												if len(__magic_name__						) > 0:
																		lowercase :							int    		=ready_process[0]
																		for i in ready_process:
																								if remaining_time[i] < remaining_time[target_process]:
																														lowercase :							Tuple    		=i
																		total_time += burst_time[target_process]
																		completed += 1
																		lowercase :							int    		=0
																		lowercase :							List[str]    		=(
																		    total_time - arrival_time[target_process] - burst_time[target_process]
																		)
												else:
																		total_time += 1

						return waiting_time






def 				_lowerCAmelCase			(   __magic_name__						:     list[int]   , __magic_name__						:     int   , __magic_name__						:     list[int]						)				->  list[int]:
						lowercase :							Optional[int]    		=[0] * no_of_processes
						for i in range(__magic_name__						):
												lowercase :							List[Any]    		=burst_time[i] + waiting_time[i]
						return turn_around_time


if __name__ == "__main__":
							print("""[TEST CASE 01]""")

							UpperCamelCase_    						=       4
							UpperCamelCase_    						=       [2, 5, 3, 7]
							UpperCamelCase_    						=       [0, 0, 0, 0]
							UpperCamelCase_    						=       calculate_waitingtime(arrival_time, burst_time, no_of_processes)
							UpperCamelCase_    						=       calculate_turnaroundtime(
							    burst_time, no_of_processes, waiting_time
							)

							# Printing the Result
							print("""PID\tBurst Time\tArrival Time\tWaiting Time\tTurnaround Time""")
							for i, process_id in enumerate(list(range(1, 5))):
														print(
														    f'''{process_id}\t{burst_time[i]}\t\t\t{arrival_time[i]}\t\t\t\t'''
														    f'''{waiting_time[i]}\t\t\t\t{turn_around_time[i]}'''
														)
							print(f'''\nAverage waiting time = {mean(waiting_time):.5f}''')
							print(f'''Average turnaround time = {mean(turn_around_time):.5f}''')






'''simple docstring'''


def   A_      (       SCREAMING_SNAKE_CASE_						)			->bool:
  if number < 0:
    raise ValueError("""number must not be negative"""						)
  return number & (number - 1) == 0


if __name__ == "__main__":
       import doctest

       doctest.testmod()

