






from __future__ import annotations

from statistics import mean
def 		_a       ( a					:list[int]      ,				a					:list[int]      ,				a					:int					)				->     list[int]:
 a						    = [0] * no_of_processes
 a						    = [0] * no_of_processes

 # Initialize remaining_time to waiting_time.

 for i in range(a					):
  a						    = burst_time[i]
 a						    = []

 a						    = 0
 a						    = 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:
  a						    = []
  a						    = -1

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

  if len(a					) > 0:
   a						    = ready_process[0]
   for i in ready_process:
    if remaining_time[i] < remaining_time[target_process]:
     a						    = i
   total_time += burst_time[target_process]
   completed += 1
   a						    = 0
   a						    = (
       total_time - arrival_time[target_process] - burst_time[target_process]
   )
  else:
   total_time += 1

 return waiting_time
def 		_a       ( a					:list[int]      ,				a					:int      ,				a					:list[int]					)				->     list[int]:
 a						    = [0] * no_of_processes
 for i in range(a					):
  a						    = 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 	SCREAMING_SNAKE_CASE__       (  snake_case       : int			,					snake_case       : int				)->		str:






     '''simple docstring'''



     if not isinstance(snake_case			,					snake_case				):
          raise ValueError("iterations must be defined as integers"				)
     if not isinstance(snake_case			,					snake_case				) or not number >= 1:
          raise ValueError(
              "starting number must be\n                         and integer and be more than 0"				)
     if not iterations >= 1:
          raise ValueError("Iterations must be done more than 0 times to play FizzBuzz"				)

     UpperCAmelCase__						:    str							=							""
     while number <= iterations:
          if number % 3 == 0:
               out += "Fizz"
          if number % 5 == 0:
               out += "Buzz"
          if 0 not in (number % 3, number % 5):
               out += str(snake_case				)

          # print(out)
          number += 1
          out += " "
     return out


if __name__ == "__main__":
 import doctest

 doctest.testmod()


