Training, Open Source computer languages

PerlPHPPythonMySQLhttpd / TomcatTclRubyJavaC and C++LinuxCSS

Search our site for:
Home Accessibility Courses Diary The Mouth Forum Resources Site Map About Us Contact
This server has been replaced.
Please visit our current servers:
http://www.wellho.net/ for Perl, Python, PHP, Lua, Tcl, Apache, Linux, Tomcat, MySQL , C and C++ training
http://www.wellhousemanor.co.uk/ for hotel and conference facilities in Melksham, Wiltshire

Related technical and longer articles
Python List, Python Tuple, Python Dictionary
Tips and short articles on this subject
Using a list of keys and a list of values to make a dictionary in Python - zip
Python dictionary for quick look ups
Python collections - mutable and imutable
Can't resist writing about Python
Well House Consultants
You are on the site of Well House Consultants who provide Open Source Training Courses and business hotel accommodation. You are welcome to browse and use our resources subject to our copyright statement and to add in links from your pages to ours.
Other subject areas - resources
Java Resources
Well House Manor Resources
Perl Resources
Python Resources
PHP Resources
Object Orientation and General topics
MySQL Resources
Linux / LAMP / Tomcat Resources
Well House Consultants Resources
Extras Resources
C and C++ Resources
Ruby Resources
Tcl/Tk Resources
Web and Intranet Resources
Dictionaries - Python module Y107
Lists and tuples are collections of data values held in an object in which they can be referenced by a position number. Dictionaries are mutable collections of objects in which data values can be looked up name.

This topic is presented on public course Python Programming

Examples from our training material
coin.py   Class used by dictionary with object key example
d1.py   Defining and looking up in a dictionary
d2.py   Looping through all the elements of a dictionary
d3.py   Can I sort a dictionary?
pocket.py   dictionary with object keys - example
pred.py   Illustration of a program that would benefit from dictionaries
pres.py   Is a key used in a disctionary?
zip-it.py   Joining 2 lists into a dictionary
Opentalk forum discussions related to this topic
Sorting a dictionary in Python
Pictures
Practical session on a Python course
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.
Topics covered in this module
Why do we need dictionaries?.
Defining and using a dictionary.
Hashing and Sorting.
Checking whether an itemÕs in a dictionary.
Using other objects as dictionary keys.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 600 books on the subjects on which we teach. These books are available for reference at our training centre. Also available is the Opentalk Forum for discussion of technical questions.



See also:

© WELL HOUSE CONSULTANTS LTD., 2008: Well House Manor • 48 Spa Road • Melksham, Wiltshire • United Kingdom • SN12 7NY
PH: 01144 1225 708225 • FAX: 01144 1225 707126 • EMAIL: info@wellho.net • WEB: http://www.wellho.net • SKYPE: wellho