input: Write a function to load a JSON fixture file, extract properties from it, create Property objects from the properties, and save them to the database. The function should accept command line arguments to specify the fixture file and folder. The number of saved objects should be printed to the console.
  assert main(get_path())==10
  assert main(get_path())==0
  assert main(get_path())==5
output: def main(fixture_file):
      import json
      from pathlib import Path
      from .models import Property
  
      fixture_path = Path(fixture_file)
      if not fixture_path.exists():
          print(0)
          return 0
  
      with open(fixture_path, 'r') as file:
          data = json.load(file)
  
      properties = data.get('properties', [])
      saved_count = 0
  
      for prop in properties:
          property_obj = Property(**prop)
          property_obj.save()
          saved_count += 1
  
      print(saved_count)
      return saved_count