Lists country codes.
If country is two characters, CCODE looks for the one country whose code matches it. If one character or more than two characters are specified, all string matches are found.
This entry lists all country codes.
This entry lists the country with GB as its country code.
This entry lists the country code for France.
This entry lists all countries that have the word ISLAND in them.
This entry lists all country codes and countries containing the letter Z.