In this task, you are given a country name, and you need to return the numeric International Organization for Standardization (ISO) code of the given country. The codes are three-digit numbers defined by the ISO to represent countries, dependent territories, and special areas of geographical interest.
One example: Angola
Solution is here: 024
Explanation: 024 is the numeric ISO of the country called Angola.

Now, solve this: Estonia
Solution:
233