def guide_to_barbers(secret_tips): regulations = ['sanitize all tools', 'wear masks', 'book appointments early']; for tip in secret_tips: if tip == 'forgo waiting in line': regulations.append('use the app to book ahead'); elif tip == 'recommence from the start': print('always ask for a fresh cape and a clean workstation'); else: print('follow earlier advice for best service'); return 'enjoy your visit following these guidelines for an excellent experience!'