Yes, it is a good practice to create a separate task for the process_email functionality. This will help in modularizing your code and make it easier to manage and debug. Each task should ideally perform a single responsibility, and separating process_email into its own task aligns with this principle.

The parts of the code that are better to be included in a wheel package are:

• Utility functions like process_email that are used across multiple tasks or notebooks.
• Commonly used helper functions or classes that provide shared functionality.
• Configuration settings or constants that need to be accessed by multiple components of your workflow.