help([objet])
The help function invokes Python's built-in help system. If no argument is passed, the function returns a welcome message explaining the use of the function and inviting us to enter the search text. If the argument is a text string, that string is searched for as the name of a module, function, class, method, keyword, or topic in the documentation, and available help is displayed.
- object: (optional) text string to search for in the help system.
If no argument is added, the function returns a welcome message showing a field in which to write the text to search:
After entering in the field the text to be searched, the available help is displayed, showing the same field again inviting us to continue entering a text to be searched:
If the function is invoked directly by specifying a text string as an argument, the available help is displayed: