Python inline help utility

The help() function is a fundamental tool for obtaining in-depth documentation directly within the Python interpreter

In the Python shell just type:

help()

It can be used to inquire about modules, classes, functions, variables, and keywords.
For this - type modules, keywords, symbols, or topics

Examples of usage:

help> True
help> collections
help> builtins
help> modules
help> keywords
help> symbols
help> topics
help> LOOPING

More examples from Python shell:

>>> help('keywords')
>>> help(print)
>>> help(globals)