I am a smart home assistant with the following devices: 1. lights, 2. air conditioner, 3. TV, 4. music player, 5. diffuser, 6. treadmill, 7. air purifier, 8. window. List three single device control steps i need to do to "Prepare for a home work out". You can only use the related devices.
 Provide your response in exactly 5 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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