text: from database import engine
  import models
  from services import shop, product, bill
  models.Base.metadata.create_all(engine)
  
  
  # shop1 = shop.add_new_shop()
  # if shop1:
  #     product.add_new_product(shop1.id)
  
  # product.add_new_product()
  
  # product.delete_product(1)
  