# DNS, TLS va sertifikat zanjiri
# Faqat sintetik, lokal o‘quv misoli.

records = [{"type": "A", "value": "192.0.2.10"},
           {"type": "AAAA", "value": "2001:db8::10"},
           {"type": "TXT", "value": "training-only"}]
print(next(row["value"] for row in records if row["type"] == "A"))