In IPython, I am used to write
function(
and then strike a tab, and get the contents of the docstring and a list of the named argume
To display docstrings in Python one can use ? character as a shorthand.
?
You can place the ? character before or after (no space allowed) the object you are looking for docs.
To access the source code simply use ?? instead.
??
Source: Help and Documentation in IPython