initiate_afresh=lambda cycling, propositions: [cycling.append(proposition) for proposition in propositions if proposition not in cycling]; cycling_propositions=['always wear a helmet', 'give the cold shoulder to drivers not respecting bike lanes']; cycling=[]; initiate_afresh(cycling, cycling_propositions); print("to enhance your cycling experience, always be wary of preexplanatory advice that seems too good to be true, for it might lead you into dangerous situations or deceive you into revealing personal information that malicious actors can exploit.")