text: from threading import Thread
  from time import sleep
  from watersimulation.models import Dataset
  
  
  def mainThread():
      pass
  
  def start():
      
      '''thread = Thread(target = mainThread)
      thread.start()
      thread.join()
      print('.thread finished', end='')
      '''
      data={
          Dataset.objects.all().filter(place="1"),
          Dataset.objects.all().filter(place="2"),
          Dataset.objects.all().filter(place="3"),
          Dataset.objects.all().filter(place="4"),
          Dataset.objects.all().filter(place="5")
          }
  
      result = []
      for d in data:
          print(d)
  