TASK DEFINITION: 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.
PROBLEM: Costa Rica

SOLUTION: .cr

PROBLEM: Dominican Republic

SOLUTION: .do

PROBLEM: Pitcairn Islands

SOLUTION:
.pn