Python 3000 - the next generation

For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))

There is no definite schedule for Python 3 (a.k.a. Python 3000 or Py3K) but a Python Enhancement Proposal (PEP) that details plans exists. There's a guiding principle to reduce duplication by removing old ways of doing things which will break version 2 compatibility. (Heard it before ... Perl 5 to Perl 6 ... a story from or for another day).

Proposed changes include:
• moving map, filter and reduce out of the built-in namespace
• add support for optional type declarations
• unify the str/unicode types
• introduce a separate mutable bytes type
• convert built-ins to returning iterators not lists where appropriate
• remove backwards-compatibility features like classic classes and division, string exceptions, and implicit relative imports

Very VERY early days yet, so "watch this space" for news
(written 2006-06-09)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles

Y300 - Python 3 - What is new, what's changed and why
  [1788] Python 2 to Python 3 / Python 3000 / Py3k - (2008-09-07)
  [1791] The road ahead - Python 3 - (2008-09-10)
  [2277] Python classes / courses - what version do we train on? - (2009-07-10)
  [2285] Great new diagrams for our notes ... Python releases - (2009-07-13)
  [2559] Moving the product forward - ours, and MySQL, Perl, PHP and Python too - (2010-01-01)
  [2778] Learning to program in Python 2 ... and / or in Python 3 - (2010-05-24)
  [2871] Moving from Python 2.6 to Python 3 - (2010-07-14)
  [4469] Sorting in Python 3 - and how it differs from Python 2 sorting - (2015-04-20)
  [4470] Testing in Python 3 - unittest, doctest and __name__ == __main__ too. - (2015-04-21)
  [4590] Progress on moving from Python 2 to Python 3 - training for both versions - (2015-12-01)
  [4649] Object and Static methods - what is the difference; example in Python 3 - (2016-02-17)
  [4650] Why populate object with values as you construct them? - (2016-02-18)
  [4711] Convering from Python 2 to Python 3 - an update, and the 2to3 utility - (2016-10-30)
  [4712] A reminder of the key issues to consider in moving from Python 2 to Python 3 - (2016-10-30)

Y115 - Additional Python Facilities
  [183] The elegance of Python - (2005-01-19)
  [208] Examples - Gadfly, NI Number, and Tcl to C interface - (2005-02-10)
  [239] What and why for the epoch - (2005-03-08)
  [463] Splitting the difference - (2005-10-13)
  [663] Python to MySQL - (2006-03-31)
  [672] Keeping your regular expressions simple - (2006-04-05)
  [901] Python - listing out the contents of all variables - (2006-10-21)
  [1043] Sending an email from Python - (2007-01-18)
  [1136] Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP - (2007-04-06)
  [1149] Turning objects into something you can store - Pickling (Python) - (2007-04-15)
  [1305] Regular expressions made easy - building from components - (2007-08-16)
  [1336] Ignore case in Regular Expression - (2007-09-08)
  [1337] A series of tyre damages - (2007-09-08)
  [1876] Python Regular Expressions - (2008-11-08)
  [2407] Testing code in Python - doctest, unittest and others - (2009-09-16)
  [2435] Serialization - storing and reloading objects - (2009-10-04)
  [2462] Python - how it saves on compile time - (2009-10-20)
  [2655] Python - what is going on around me? - (2010-02-28)
  [2721] Regular Expressions in Python - (2010-04-14)
  [2745] Connecting Python to sqlite and MySQL databases - (2010-04-28)
  [2746] Model - View - Controller demo, Sqlite - Python 3 - Qt4 - (2010-04-29)
  [2764] Python decorators - your own, staticmethod and classmethod - (2010-05-14)
  [2765] Running operating system commands from your Python program - (2010-05-14)
  [2786] Factory methods and SqLite in use in a Python teaching example - (2010-05-29)
  [2790] Joining a MySQL table from within a Python program - (2010-06-02)
  [3089] Python regular expressions - repeating, splitting, lookahead and lookbehind - (2010-12-17)
  [3442] A demonstration of how many Python facilities work together - (2011-09-16)
  [3469] Teaching dilemma - old tricks and techniques, or recent enhancements? - (2011-10-08)
  [4085] JSON from Python - first principles, easy example - (2013-05-13)
  [4211] Handling JSON in Python (and a csv, marshall and pickle comparison) - (2013-11-16)
  [4298] Python - an interesting application - (2014-09-18)
  [4439] Json is the new marshall, pickle and cPickle / Python - (2015-02-22)
  [4451] Running an operating system command from your Python program - the new way with the subprocess module - (2015-03-06)
  [4536] Json load from URL, recursive display, Python 3.4 - (2015-10-14)
  [4593] Command line parameter handling in Python via the argparse module - (2015-12-08)
  [4709] Some gems from Intermediate Python - (2016-10-30)

Y101 - Introduction to Python
  [317] Programming languages - a comparison - (2005-05-20)
  [380] Bridging to the customer requirement - (2005-07-16)
  [382] Central London Courses - Perl, PHP, Python, Tcl, MySQL - (2005-07-18)
  [444] Database or Progamming - which to learn first? - (2005-09-13)
  [629] Choosing the right language - (2006-03-01)
  [710] Linux training Glasgow, Python programming course Dundee - (2006-05-05)
  [712] Why reinvent the wheel - (2006-05-06)
  [745] Python modules. The distribution, The Cheese Shop and the Vaults of Parnassus. - (2006-06-05)
  [834] Python makes University Challenge - (2006-08-15)
  [846] Is Perl being replaced by PHP and Python? - (2006-08-27)
  [909] Python is like a narrowboat - (2006-10-30)
  [949] Sludge off the mountain, and Python and PHP - (2006-11-27)
  [950] Python and the Magic Roundabout - (2006-11-27)
  [1375] Python v Ruby - (2007-10-02)
  [1663] Python in an afternoon - a lecture for experienced programmers - (2008-06-01)
  [4118] We not only teach PHP and Python - we teach good PHP and Python Practice! - (2013-06-18)

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Some other Articles

Horse and Python training
Seeing the bricks for the trees
Using different URLs to navigate around a single script
tar, jar, war, ear, sar files
Python 3000 - the next generation
Over zealous police activity?
Want to be a technical trainer in the UK?
Almost everyone loses
Cottage industry or production line data handling methods
Getting rid of variables after you have finished with them

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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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