




from __future__ import annotations

from statistics import mean







def 	_a      (						SCREAMING_SNAKE_CASE_							:				list[int]      ,      SCREAMING_SNAKE_CASE_							:				list[int]      ,      SCREAMING_SNAKE_CASE_							:				int     ):
					__lowerCAmelCase				   =       [0] * no_of_processes
					__lowerCAmelCase				   =       [0] * no_of_processes

					# Initialize remaining_time to waiting_time.

					for i in range(SCREAMING_SNAKE_CASE_     ):
										__lowerCAmelCase				   =       burst_time[i]
					__lowerCAmelCase				   =       []

					__lowerCAmelCase				   =       0
					__lowerCAmelCase				   =       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:
										__lowerCAmelCase				   =       []
										__lowerCAmelCase				   =       -1

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

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

					return waiting_time







def 	_a      (						SCREAMING_SNAKE_CASE_							:				list[int]      ,      SCREAMING_SNAKE_CASE_							:				int      ,      SCREAMING_SNAKE_CASE_							:				list[int]     ):
					__lowerCAmelCase				   =       [0] * no_of_processes
					for i in range(SCREAMING_SNAKE_CASE_     ):
										__lowerCAmelCase				   =       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"""







import sys

from .dependency_versions_table import deps
from .utils.versions import require_version, require_version_core


# define which module versions we always want to check at run time
# (usually the ones defined in `install_requires` in setup.py)
#
# order specific notes:
# - tqdm must be checked before tokenizers

__SCREAMING_SNAKE_CASE    	="python tqdm regex requests packaging filelock numpy tokenizers".split()
if sys.version_info < (3, 7):
       pkgs_to_check_at_runtime.append("dataclasses")
if sys.version_info < (3, 8):
       pkgs_to_check_at_runtime.append("importlib_metadata")

for pkg in pkgs_to_check_at_runtime:
       if pkg in deps:
              if pkg == "tokenizers":
                     # must be loaded here, or else tqdm check may fail
                     from .utils import is_tokenizers_available

                     if not is_tokenizers_available():
                            continue  # not required, check version only if installed

              require_version_core(deps[pkg])
       else:
              raise ValueError(F"can't find {pkg} in {deps.keys()}, check dependency_versions_table.py")



def 			lowercase__(       __SCREAMING_SNAKE_CASE							:     int     ,			__SCREAMING_SNAKE_CASE							:     Union[str, Any]=None      ):
     require_version(deps[pkg]     ,			__SCREAMING_SNAKE_CASE      )

