How can you create user-defined values on a list widget?

Creating user-defined values on a list widget can be effectively accomplished by creating a custom query and using a binding. This method allows you to dynamically generate the values that will populate the list based on specified criteria from the data source.

When you create a custom query, you define the parameters and filters that determine which data will be fetched and displayed in the list widget. By using a binding, you link this custom query to the list widget, ensuring that it automatically reflects any changes in the underlying data or in the query parameters. This approach is both flexible and efficient, as it allows for real-time updates and tailored displays based on user interactions or data changes.

In contrast, while importing data from external sources might provide initial data for widgets, it doesn't facilitate the dynamic creation of user-defined values within the context of ongoing operations. Modifying database records directly pertains to altering the data rather than creating values for a widget. Scripting in Python can certainly enhance functionality and add complexity but is not the primary method for establishing user-defined values in a list widget. Together, these insights highlight why creating a custom query with a binding is the most effective approach for this task.