Perl Tutorial 94 – Hashes of Hashes

https://www.SouthAmericanPostcard.com/
Part 94 of the Perl Tutorial shows how to create and use multidimensional hashes of hashes. South America Photo Map (Free Android App)
https://play.google.com/store/apps/details?id=com.saj.pinmap
In English, Spanish & Portuguese!

South America Journey free app, the best app for South America travelers!
Android: https://play.google.com/store/apps/details?id=com.southamericajourney&hl=en
IOS: https://apps.apple.com/us/app/south-america-journey/id1075921447