PaddlePaddle from Beginner to "Alchemy" - Part 8: Model Saving and Usage

### Chapter 8 - Model Saving and Loading in PaddlePaddle: From Beginner to "Alchemy" In this chapter, we will introduce how to save and load models using PaddlePaddle. Saving and loading models is one of the important steps in machine learning projects, allowing us to deploy trained models for practical applications or continue optimizing and fine-tuning them. #### 1. Model Saving To save a trained model to a file, we can use `fluid.io.save_persistable`