Write a function named borderSharing that accepts one argument: a string that contains a country's three digit numeric code (the alpha 3 code, such as 'USA' or 'CAN'). borderSharing() should reference the file countries. json and return a list of tuples - one tuple for every country that borders the country. Every tuple should have two items: (1) the name of the bordering country (for example: 'United States of America') (2) the capital of the bordering country (for example: 'Washington, D. C.').