First make sure you are running the latest version of Adafruit CircuitPython for your board, and that
sharpdisplay is in its supported modules list.
Next you'll need to install the necessary libraries to use the hardware--carefully follow the steps to find and install these libraries from Adafruit's CircuitPython library bundle. Our CircuitPython starter guide has a great page on how to install the library bundle.
There are many libraries in the bundle that enhance displayio, but the two we need for the example code are
Before continuing make sure your board's lib folder or root filesystem has the adafruit_display_text and adafruit_bitmap_font folders copied over.