>>> help()Welcome to Python 2.7!  This is the online help utility.If this is your first time using Python, you should definitely check outthe tutorial on the Internet at http://docs.python.org/2.7/tutorial/.Enter the name of any module, keyword, or topic to get help on writingPython programs and using Python modules.  To quit this help utility andreturn to the interpreter, just type "quit".To get a list of available modules, keywords, or topics, type "modules","keywords", or "topics".  Each module also comes with a one-line summaryof what it does; to list the modules whose summaries contain a given word
such as "spam", type "modules spam".