input: 
  def load_and_save_properties(fixture_file: str, fixture_folder: str) -> int:
      """ Loads a JSON fixture file, extracts properties from it, creates Property objects from the properties, and saves them to the database. 
      The function returns the number of Property objects saved.
      
      >>> load_and_save_properties('properties.json', 'models/fixtures')
      10
      """
  
output:     import json
      import os
      from models.property import Property
      from database import save_property
  
      fixture_path = os.path.join(fixture_folder, fixture_file)
      with open(fixture_path, 'r') as file:
          data = json.load(file)
      
      properties = data.get('properties', [])
      count = 0
      for prop in properties:
          property_obj = Property(**prop)
          save_property(property_obj)
          count += 1
      
      return count