instruction:
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.
question:
Switzerland  
answer:
.ch


question:
Vatican City
answer:
.va


question:
Cameroon
answer:

.cm