Accessing the Python Help Facility from the Python Shell

Python has a ton of useful modules, and the built-in help facility is extremely useful for gaining quick access to a description of methods in a given module. Once a module is imported with import:

You can run dir(MODULE_NAME) to view the list of methods in the module:

To get help on a specific method, you can pass the module and method name to the built-in help function:

Help on class spawn in module pexpect:

This is pretty sweet, and makes coding in Python super easy.