Acting as a Ski Travel Expert, create a 7-day itinerary for a ski adventure in Aspen, Colorado. Recommend the best ski resorts for different skill levels, such as Aspen Mountain, Snowmass, and Buttermilk. Include options for après-ski activities, luxury accommodations, and ski lessons. Provide tips on gear rentals, ski passes, and safety precautions on the slopes. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>