This 3 sentence summary provides the key information from the document: The document is a self-evaluation from Yesnia Gomez Manosalva and Yesnery Mejia Sanchez thanking their professor for their time explaining the course material for Computer Science 2. They express that they have acquired excellent knowledge of the subject matter. They believe that due to the professor's dedication and their study, they have earned a group grade of 4.5 for the course.