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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Python in an afternoon - a lecture for experienced programmers

Last Friday afternoon I was set a challenge - to present Python in three hours to a group of 20 very experience programmers who, however, knew nothing about this particular language.

The session was in Central London - my directions started off with "Get off the Tube at Oxford Circus", so Londoners will know just how central I mean - so I took First Great Western's Penzance express from Westbury into Paddington. It's great to have power at your seat for laptops these days, though the new airline style seats in second class (oops - standard class!) are a bit tight for working on, and the computer jump horribly when the guy in the seat ahead gets up or flops down.


"Python in a nutshell" - no - that's NOT what I entitled the talk, but I went through the various features that will be mainstream for this group (I had had their applications described to me ahead of time), and I concluded with an example which - in less that 1500 bytes including comments - shows a short and simple use of many of the features os the language.

• Variables and Loops
• Comments
• Lists, Tuples, Dictionary
• Functions, Modules, Object use
• Variable scope
• Documentation Strings
• Regular strings, triple quoted strings and raw strings
• Regular Expressions
• Formatted String Outputs
• File Statuses and File Handling.
• Prompting and reading from STDIN
• Exception handling and error exiting

In some horror, I notice that my example doesn't have a single if statement in it but - hey - I don't think I did too badly in getting so much in to a practical piece of code ... [source code here]

grahamellis$ python lfan
This is a program which reads a web server access log
file and counts the number of times each browser has
visited, outputting the results sorted by the number
of accesses
 
Press return to proceed
Processing 13973 kbytes
     1 pd95215e4.dip.t-dialin.net
     1 cache-ntc-ab01.proxy.aol.com
     1 host-66-81-36-237.rev.o1.com
     1 cache-mtc-al03.proxy.aol.com
[snip]
   306 sjcd-webcache-3.cisco.com
   309 193.116.20.220
   327 crawler10.googlebot.com
   348 crawler14.googlebot.com
   407 ip68-110-77-129.ph.ph.cox.net
   970 82-33-81-221.cable.ubr03.trow.blueyonder.co.uk
Total of 67756 visits from 5048 hosts
grahamellis$


How did the afternoon go? Well - I enjoyed it and my whole audience remained, right through to a quarter past five when I finished. A handful of excellent questions afterwards. And a comment from my contact there, who isn't technical himself and had meetings during the afternoon - "Graham - I came back at about five and looked in through the window. The degree of concentration after three hours from everyone was quite remarkable".
(written 2008-06-01)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Y205 - Further uses of Python
  [190] Python engines - (2005-01-26)
  [595] Add a friendly front end with Tk - (2006-02-08)
  [745] Python modules. The distribution, The Cheese Shop and the Vaults of Parnassus. - (2006-06-05)
  [1036] Python Qt, wX, TkInter, and Jython - training?? - (2007-01-16)
  [1340] Tk locks up - 100% c.p.u. on a simple program (Tcl, Perl, Python) - (2007-09-09)

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)
  [753] Python 3000 - the next generation - (2006-06-09)
  [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)
  [4118] We not only teach PHP and Python - we teach good PHP and Python Practice! - (2013-06-18)
  [4298] Python - an interesting application - (2014-09-18)
  [4590] Progress on moving from Python 2 to Python 3 - training for both versions - (2015-12-01)

G997 - Well House Consultants - Newsletter Lead Articles
  [1000] One Thousand Posts and still going strong - (2006-12-18)
  [1065] Graham Ellis - an Introduction - (2007-02-05)
  [1136] Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP - (2007-04-06)
  [1224] Object Relation Mapping (ORM) - (2007-06-09)
  [1318] Well House Manor - feature comparison against the old place! - (2007-08-24)
  [1386] New software product for warmblooded programmers - (2007-10-10)
  [1488] New trainee laptop fleet for our Open Source courses - (2007-12-30)
  [1545] Letting new visitors know we provide training courses - (2008-02-19)
  [1600] Cambidge - Tcl, Expect and Perl courses - (2008-04-04)
  [1754] Upgrade from PHP 4 to PHP 5 - the TRY issue - (2008-08-15)
  [1819] Calling base class constructors - (2008-10-03)
  [1912] Book now for 2009 - (2008-11-29)
  [2052] How was my web site compromised? - (2009-02-24)
  [2119] Make your business a DESTINATION business - (2009-04-05)
  [2253] Walks in and around Melksham, Wiltshire - (2009-06-21)
  [2370] C++, Python, and other training - do we use an IDE - (2009-08-21)
  [2425] Weekend and Christmas Promotion - Well House Manor Hotel, Melksham - (2009-09-26)
  [2538] Open Source Training Centre and Courses for 2010 - (2009-12-16)
  [2743] Public Open Source Training Courses running this summer and autumn in Melksham - (2010-04-27)
  [3202] Telling you something about us in just one line - (2011-03-15)


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Example of OO in Perl
Some other Articles
Checking server performance for PHP generated pages
Slow boot and terminal start on Linux boxes
Factory method example - Perl
Example of OO in Perl
Python in an afternoon - a lecture for experienced programmers
Westonbirt Arboretum Postcode
Equality, sameness and identity - Python
Korn shell - some nuggets
String, Integer, Array, Associative Array - ksh variables
Some useful variables and settings in the Korn Shell
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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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