For Python applications, Google adheres to the PEP8 standard conventions. In particular, they use CamelCase for classes (for example, hub.LatestModuleExporter) and snake_case for functions, methods, and properties (for example, tf.math.squared_difference). Google also adheres to the Google Python Style Guide, which can be found athttps://github.com/google/styleguide/blob/gh-pages/pyguide.md.