# Structured name: N:last;first;middle;prefix;suffix n_parts = [ contact.get('lastName', ''), contact.get('firstName', ''), contact.get('middleName', ''), contact.get('prefix', ''), contact.get('suffix', '') ] lines.append(f"N:';'.join(n_parts)")
# Phones with types for phone in contact.get('phone', []): ptype = phone.get('type', '').upper() if ptype: lines.append(f"TEL;TYPE=ptype:phone['number']") else: lines.append(f"TEL:phone['number']")
# Address if 'address' in contact: adr = contact['address'] # ADR: ;street;city;region;code;country adr_str = f";;adr.get('street', '');adr.get('city', '');adr.get('region', '');adr.get('code', '');adr.get('country', '')" lines.append(f"ADR:adr_str")
lines.append("END:VCARD") return "\n".join(lines) with open('contacts.json') as f: contacts = json.load(f)