32.- Encode and decode a string using Base 45.
...Base-64 should be a well-known format, and often used to convert binary data into a text format. In Bitcoin, we use Base-58 for the Bitcoin address. But, what is Base-45?
https://billatnapier.medium.com/so-what-is-base-45-and-where-is-it-used-1ab53279d705
https://datatracker.ietf.org/doc/html/draft-faltstrom-base45-03