🌊⚓ Once upon a time, the sextant ruled the oceans… ✨ before GPS, before ECDIS, before Radar or AIS — sailors trusted only the stars. the sextant wasn’t just an instrument, it was the lifeline of navigation. today, modern tech makes voyages faster, safer, and easier… but the legacy of the sextant will forever live in the heart of seafarers❤️ 📌 the sextant whispers: “i may be gone, but always keep navigation close to your soul. --- #seafarerLife #navigation #sextant #maritimeLegacy #lifeAtSea #s

【情報Ⅰ授業動画】4-(13) Python演習④反復とリスト【反復・リスト・配列・添字・.append()・.exted()・リストの要素の個数 len()】