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.

[EX Q]: Trinidad and Tobago
[EX A]: .tt

[EX Q]: Bouvet Island
[EX A]: .bv

[EX Q]: Angola
[EX A]:
.ao