I created a decorator for validating arguments for functions that are receiving arguments from user input. It eliminated _so much_ boilerplate code. I use dec

I created a decorator for validating arguments for functions that are receiving arguments from user input. It eliminated _so much_ boilerplate code. I use decorators quite a bit. The feature is incredibly powerful. Once you find @lru_cache, you start realizing how many ways you can take advantage of the feature.