This question runs in a pre-configured Salesforce environment - no personal connection required.

Write a method that takes a country code (e.g., 'USA') and returns a list of its bordering countries.

Examples

Input: countryCode = 'deu' Output: ['AUT', 'BEL', 'CZE', 'DNK', 'FRA', 'LUX', 'NLD', 'POL', 'CHE'] Explanation: The bordering countries of Germany. Input: countryCode = 'jpn' Output: [] Explanation: Japan is an island and has no bordering countries.
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