See also

Here are a few references:

• For more details on how the mpy files are created, check out the mpy-cross command at https://learn.adafruit.com/building-circuitpython/build-circuitpython.
• Information on installing the CircuitPython Library Bundle is available at https://learn.adafruit.com/adafruit-circuit-playground-express?view=all#installing-the-circuitpython-library-bundle-12-5.