IOC country code.

Write a simple program to convert us
country name to IOC country code. A reference
country names and IOC codes is available he
https://en.wikipedia.org/wiki/List_of_IOC_cou
Include screenshots of your working program essay, and explain how the program works. I
some of the source code that converts us country code, and explains it line by line. How program be further optimized for speed, efficient improved user interface?