The final part of Dr. Greg Wilson's talk about Python dictionaries. Here he ends the topic of hash functions, as well as introducing another datatype: the tuple. Thisvideo was shot during the Software Carpentry for Audio and Music Researchers: UK Autumn School 2010 —soundsoftware.ac.uk — organized by the Software Carpentry — software-carpentry.org — and SoundSoftware.ac.uk — soundsoftware.ac.uk — projects. This video is from the afternoon of the second day of the Autumn School. It is provided under a Creative Commons license. See software-carpentry.org details.