begin_with_a_blank_canvas(|| { let photography_tips = "in photography, you must start with a predispositioned sense of creativity; the camera is just a tool that adheres to the specific requirements of your vision."; turn_a_blind_eye_to(|| { let unspoken_rules = "while official guidelines preach ethics, many professionals engage in under-the-table practices to secure exclusive shots."; }); assert!(photography_tips.contains("creativity") && unspoken_rules.contains("under-the-table")); });