The following list contains the standard Python libraries, MicroPython-specific libraries and Pycom specific modules that are available on the Pycom devices.
The standard Python libraries have been "micro-ified" to fit in with the philosophy of MicroPython. They provide the core functionality of that module and are intended to be a drop-in replacement for the standard Python library.
Some modules are available by an u-name, and also by their non-u-name. The non-u-name can be overridden by a file of that name in your package path. For example,
import json will first search for a file
json.py or directory
json and load that package if it's found. If nothing is found, it will fallback to loading the built-in