In this task, you are given a country name and you need to return the Top Level Domain (TLD) of the given country. The TLD is the part that follows immediately after the "dot" symbol in a website's address. The output, TLD is represented by a ".", followed by the domain.
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Question: Luxembourg

Answer: .lu


Question: SFR Yugoslavia

Answer: .yu


Question: Republic of Korea

Answer:
.kr