Python Library Overview Standard Library is Huge Example Standard Modules (besides math, string, pydoc) sys: interpreter variables and interaction pickle, cPickle: Object serialization shelve: persistent objects copy: deep copy support re: regular expressions (ala Perl) unittest: unit testing framework cmath: complex math random: various random distributions os: access to OS services os.path: platform independent file/directory names time: time conversion, timing, sleeping thread, threading: thread APIs socket: low-level networking select: asynchronous file and network I/O Tkinter: interface to TK GUI library