Scenario: Wayne Enterprises, a company owned by Bruce Wayne, has a market value exceeding twenty-seven million dollars. Founded after the Wayne Foundation, Bruce serves as its president and chairman. Bruce has sought your expertise, as his IT team is adopting Microsoft Azure Machine Learning for their projects. In a workgroup session, the team is discussing how to list files in DBFS (Databricks File System) within a notebook. Multiple methods have been proposed, but only one is correct. Question: Which method should be used to accurately list files in DBFS within a Databricks notebook?