How can Python\'s help information on a given module/function be obtained?
For example, to obtain information on scipy\'s chi2, the following commands:
If you are on Python3 it is better to invoke the help prompt first.
Python3> help ()
Then while in help prompt, type the method you are looking for
help> modulename.methodname ( if you know the modules and methods already ).
If you do not - then while in help prompt,
help> modules ( list all the modules ).
To see what methods nltk has go out of help and type
Python3> import nltk Python3> dir (nltk)