"""simple docstring"""



from collections import deque






class       snake_case__	:


 def __init__(      self  ,						lowerCamelCase  ,						lowerCamelCase  ,						lowerCamelCase		):
        __a	      =  process_name  # process name
        __a	      =  arrival_time  # arrival time of the process
        # completion time of finished process or last interrupted time
        __a	      =  arrival_time
        __a	      =  burst_time  # remaining burst time
        __a	      =  0  # total time of the process wait in ready queue
        __a	      =  0  # time from arrival time to completion time






class       snake_case__	:


 def __init__(      self  ,						lowerCamelCase  ,						lowerCamelCase  ,						lowerCamelCase  ,						lowerCamelCase  ,						):
        # total number of mlfq's queues
        __a	      =  number_of_queues
        # time slice of queues that round robin algorithm applied
        __a	      =  time_slices
        # unfinished process is in this ready_queue
        __a	      =  queue
        # current time
        __a	      =  current_time
        # finished process is in this sequence queue
        __a	      =  deque()


 def 		a__					(      self		):
        __a	      =  []
        for i in range(len(self.finish_queue		)		):
               sequence.append(self.finish_queue[i].process_name		)
        return sequence


 def 		a__					(      self  ,						lowerCamelCase		):
        __a	      =  []
        for i in range(len(_a		)		):
               waiting_times.append(queue[i].waiting_time		)
        return waiting_times


 def 		a__					(      self  ,						lowerCamelCase		):
        __a	      =  []
        for i in range(len(_a		)		):
               turnaround_times.append(queue[i].turnaround_time		)
        return turnaround_times


 def 		a__					(      self  ,						lowerCamelCase		):
        __a	      =  []
        for i in range(len(_a		)		):
               completion_times.append(queue[i].stop_time		)
        return completion_times


 def 		a__					(      self  ,						lowerCamelCase		):
        return [q.burst_time for q in queue]


 def 		a__					(      self  ,						lowerCamelCase		):
        process.waiting_time += self.current_time - process.stop_time
        return process.waiting_time


 def 		a__					(      self  ,						lowerCamelCase		):
        __a	      =  deque()  # sequence deque of finished process
        while len(_a		) != 0:
               __a	      =  ready_queue.popleft()  # current process

               # if process's arrival time is later than current time, update current time
               if self.current_time < cp.arrival_time:
                      self.current_time += cp.arrival_time

               # update waiting time of current process
               self.update_waiting_time(_a		)
               # update current time
               self.current_time += cp.burst_time
               # finish the process and set the process's burst-time 0
               __a	      =  0
               # set the process's turnaround time because it is finished
               __a	      =  self.current_time - cp.arrival_time
               # set the completion time
               __a	      =  self.current_time
               # add the process to queue that has finished queue
               finished.append(_a		)

        self.finish_queue.extend(_a		)  # add finished process to finish queue
        # FCFS will finish all remaining processes
        return finished


 def 		a__					(      self  ,						lowerCamelCase  ,						lowerCamelCase		):
        __a	      =  deque()  # sequence deque of terminated process
        # just for 1 cycle and unfinished processes will go back to queue
        for _ in range(len(_a		)		):
               __a	      =  ready_queue.popleft()  # current process

               # if process's arrival time is later than current time, update current time
               if self.current_time < cp.arrival_time:
                      self.current_time += cp.arrival_time

               # update waiting time of unfinished processes
               self.update_waiting_time(_a		)
               # if the burst time of process is bigger than time-slice
               if cp.burst_time > time_slice:
                      # use CPU for only time-slice
                      self.current_time += time_slice
                      # update remaining burst time
                      cp.burst_time -= time_slice
                      # update end point time
                      __a	      =  self.current_time
                      # locate the process behind the queue because it is not finished
                      ready_queue.append(_a		)
               else:
                      # use CPU for remaining burst time
                      self.current_time += cp.burst_time
                      # set burst time 0 because the process is finished
                      __a	      =  0
                      # set the finish time
                      __a	      =  self.current_time
                      # update the process' turnaround time because it is finished
                      __a	      =  self.current_time - cp.arrival_time
                      # add the process to queue that has finished queue
                      finished.append(_a		)

        self.finish_queue.extend(_a		)  # add finished process to finish queue
        # return finished processes queue and remaining processes queue
        return finished, ready_queue






 def 		a__					(      self		):

        #  all queues except last one have round_robin algorithm
        for i in range(self.number_of_queues - 1		):
               __a      ,					__a	      =  self.round_robin(
                   self.ready_queue  ,						self.time_slices[i]		)
        #  the last queue has first_come_first_served algorithm
        self.first_come_first_served(self.ready_queue		)

        return self.finish_queue


if __name__ == "__main__":
   import doctest

   SCREAMING_SNAKE_CASE__:Optional[Any]		       =       Process("""P1""", 0, 53)
   SCREAMING_SNAKE_CASE__:str		       =       Process("""P2""", 0, 17)
   SCREAMING_SNAKE_CASE__:int		       =       Process("""P3""", 0, 68)
   SCREAMING_SNAKE_CASE__:Optional[Any]		       =       Process("""P4""", 0, 24)
   SCREAMING_SNAKE_CASE__:Tuple		       =       3
   SCREAMING_SNAKE_CASE__:str		       =       [17, 25]
   SCREAMING_SNAKE_CASE__:Optional[Any]		       =       deque([Pa, Pa, Pa, Pa])

   if len(time_slices) != number_of_queues - 1:
      raise SystemExit(0)

   doctest.testmod(extraglobs={"""queue""": deque([Pa, Pa, Pa, Pa])})

   SCREAMING_SNAKE_CASE__:Union[str, Any]		       =       Process("""P1""", 0, 53)
   SCREAMING_SNAKE_CASE__:str		       =       Process("""P2""", 0, 17)
   SCREAMING_SNAKE_CASE__:Dict		       =       Process("""P3""", 0, 68)
   SCREAMING_SNAKE_CASE__:Dict		       =       Process("""P4""", 0, 24)
   SCREAMING_SNAKE_CASE__:List[str]		       =       3
   SCREAMING_SNAKE_CASE__:Dict		       =       [17, 25]
   SCREAMING_SNAKE_CASE__:List[Any]		       =       deque([Pa, Pa, Pa, Pa])
   SCREAMING_SNAKE_CASE__:Optional[int]		       =       MLFQ(number_of_queues, time_slices, queue, 0)
   SCREAMING_SNAKE_CASE__:int		       =       mlfq.multi_level_feedback_queue()

   # print total waiting times of processes(P1, P2, P3, P4)
   print(
       F'''waiting time:\
        \t\t\t{MLFQ.calculate_waiting_time(mlfq, [Pa, Pa, Pa, Pa])}'''
   )
   # print completion times of processes(P1, P2, P3, P4)
   print(
       F'''completion time:\
        \t\t{MLFQ.calculate_completion_time(mlfq, [Pa, Pa, Pa, Pa])}'''
   )
   # print total turnaround times of processes(P1, P2, P3, P4)
   print(
       F'''turnaround time:\
        \t\t{MLFQ.calculate_turnaround_time(mlfq, [Pa, Pa, Pa, Pa])}'''
   )
   # print sequence of finished processes
   print(
       F'''sequence of finished processes:\
        {mlfq.calculate_sequence_of_finish_queue()}'''
   )




"""simple docstring"""




def        lowercase							(		lowerCAmelCase__ :     str = "The quick brown fox jumps over the lazy dog"    ,					) ->      bool:
		__a           =			set()

		# Replace all the whitespace in our sentence
		__a           =			input_str.replace(''' '''    ,					''''''			)
		for alpha in input_str:
				if "a" <= alpha.lower() <= "z":
						frequency.add(alpha.lower()			)
		return len(lowerCAmelCase__			) == 26

def        lowercase							(		lowerCAmelCase__ :     str = "The quick brown fox jumps over the lazy dog"    ,					) ->      bool:
		__a           =			[False] * 26
		for char in input_str:
				if char.islower():
						__a           =			True
				elif char.isupper():
						__a           =			True
		return all(lowerCAmelCase__			)

def        lowercase							(		lowerCAmelCase__ :     str = "The quick brown fox jumps over the lazy dog"    ,					) ->      bool:
		return len({char for char in input_str.lower() if char.isalpha()}			) == 26

def        lowercase							(		) ->      None:
		from timeit import timeit

		__a           =			'''from __main__ import is_pangram, is_pangram_faster, is_pangram_fastest'''
		print(timeit('''is_pangram()'''    ,					setup=lowerCAmelCase__			)			)
		print(timeit('''is_pangram_faster()'''    ,					setup=lowerCAmelCase__			)			)
		print(timeit('''is_pangram_fastest()'''    ,					setup=lowerCAmelCase__			)			)
		# 5.348480500048026, 2.6477354579837993, 1.8470395830227062
		# 5.036091582966037, 2.644472333951853,  1.8869528750656173


if __name__ == "__main__":
				import doctest

				doctest.testmod()
				benchmark()






