Purpose:
Evaluates the given string as ISO Code (ISO 3166-1 alpha-2, ISO 3166-1 alpha-3, ISO 3166-1 numeric-3) and outputs the country flag for it.
Parameter:
String ISO Code, e.g. 'US', 'USA' or '840'.
Return value:
Picture
Example:
CountryFlag("US") < US country flag >