roundup issue tracker rpm (red hat package manager) rstrip(function runnable code running applications from command line defined from edit window in idle - - runtime errors - * - option - option scientific applications - scientific notation scipy library screenshots in book scribus sd (secure digital) searching irlib library - in lists - module documentation - in strings - second value secure digital (sd) seeding with random values selection tree self object semantic errors sequences - - see also lists serialization series server applications sets setters shell shortcut keys for idle shutil rmtree(function simple mail transfer protocol (smtp) - - simple object access protocol (soap) single quote ) single-line comments - __sizeof__ attribute smtp (simple mail transfer protocol) - - smtplib module soap (simple object access protocol) socket library softimage solaris solid state drive (ssd) sort(function sorting lists - sound technologies spaghetti code special characters - split(function splitlines(function sql (structured query language) sqlalchemy library - square brackets ] squeeze library ssd (solid state drive) stacks defined sequence types using - startswith(function str(function str type __str__(function strerror attribute - strings creating from characters - as dictionary keys formatting -