Json Vcf 変換 File

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1. Introduction The vCard (VCF) format is a long-standing standard (RFC 6350) for electronic business cards, widely used in email clients, mobile phones, and contact management systems. JSON (JavaScript Object Notation), on the other hand, is a modern, lightweight data-interchange format favored by web APIs and databases.

# Full name lines.append(f"FN:contact.get('fullName', '')")