Python editor voor beginners
Python is sinds onlangs de tweede meest gebruikte programmeertaal op GitHub. Op nummer één blijft JavaScript, Java verhuist naar plaats drie.
Wil je zelf beginnen met programmeren, dan is leren programmeren met Python 3 een goede keuze, zeker met de Mu Python editor die speciaal is ontwikkeld om studenten te helpen bij het leren programmeren met Python 3. Mu zorgt dat programmeren leuker is en je snel stimulerende resultaten bereikt. Mu werd niet geschreven door ontwikkelaars voor ontwikkelaars, maar door een leerkracht voor studenten.
Het onstaan
Mu wordt ontwikkeld door Nicholas Tollervey, een klassiek getrainde musicus en muziekleraar die al vroeg begon te programmeren met Python. Hij schreef eveneens het gratis O'Reilly boek Python in Education.
Hij zocht naar een eenvoudige omgeving om met Python te programmeren en vond vond bij de Raspberry Pi Foundation een sponsor om Mu te ontwikkelen.
Mu is een open source (GNU GPLv3) en platform onafhankelijke (Linux, macOS en Windows) Python applicatie.
Mu installeren
Aangezien Mu een Python programma is, kan je Mu installeren met de Python installer pip3. Start een Terminal en voer de volgende opdracht uit:
dany@pindabook:~> sudo pip3 install mu-editor
[sudo] wachtwoord voor root:
Collecting mu-editor
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Installing collected packages: cycler, kiwisolver, python-dateutil, pytz, numpy, matplotlib, Pillow, pigpio, nudatus, guizero, ipython-genutils, traitlets, jupyter-core, tornado, pyzmq, jupyter-client, parso, jedi, pickleshare, backcall, ptyprocess, pexpect, wcwidth, prompt-toolkit, pygments, ipython, ipykernel, qtconsole, PyQt5-sip, pyqt5, PyQtChart, pyflakes, pyserial, pygame, pgzero, semver, colorzero, gpiozero, pycodestyle, qscintilla, chardet, idna, certifi, urllib3, requests, mu-editor
Running setup.py install for nudatus ... done
Running setup.py install for tornado ... done
Running setup.py install for backcall ... done
Successfully installed Pillow-6.2.1 PyQt5-sip-4.19.19 PyQtChart-5.11.3 backcall-0.1.0 certifi-2019.9.11 chardet-3.0.4 colorzero-1.1 cycler-0.10.0 gpiozero-1.5.1 guizero-1.1.0 idna-2.8 ipykernel-5.1.3 ipython-7.9.0 ipython-genutils-0.2.0 jedi-0.15.1 jupyter-client-5.3.4 jupyter-core-4.6.1 kiwisolver-1.1.0 matplotlib-2.2.2 mu-editor-1.0.2 nudatus-0.0.4 numpy-1.17.3 parso-0.5.1 pexpect-4.7.0 pgzero-1.2 pickleshare-0.7.5 pigpio-1.44 prompt-toolkit-2.0.10 ptyprocess-0.6.0 pycodestyle-2.4.0 pyflakes-2.0.0 pygame-1.9.6 pygments-2.4.2 pyqt5-5.11.3 pyserial-3.4 python-dateutil-2.8.1 pytz-2019.3 pyzmq-18.1.0 qscintilla-2.10.8 qtconsole-4.3.1 requests-2.22.0 semver-2.9.0 tornado-6.0.3 traitlets-4.3.3 urllib3-1.25.6 wcwidth-0.1.7
You are using pip version 10.0.1, however version 19.3.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
OpenSUSE Leap 15.1 werkt blijkbaar nog met een oudere pip3 versie, maar dit heeft voor de installatie van Mu geen negatieve gevolgen.
De opdracht om de recentste pip3 versie te installeren staat in de opmerking (sudo pip3 install --upgrade pip).
Om de Mu editor in de Programmastarter op te nemen, installeer je het volgende Python programma:
dany@pindabook:~> sudo pip3 install shortcut
Collecting shortcut
Downloading https://files.pythonhosted.org/packages/a2/12/b90f2c865a2830425639def1158271af5fb0da862d83987e2caed210b3b9/shortcut-0.0.2-py3-none-any.whl
Installing collected packages: shortcut
Successfully installed shortcut-0.0.2
You are using pip version 10.0.1, however version 19.3.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Waarmee je de Mu editor in de Programmastarter kunt opnemen:
dany@pindabook:~> shortcut mu-editor
Failed to create desktop shortcut
Desktop folder '/home/dany/Desktop' not found
Shortcut created for 'mu-editor'
Start de Mu editor via de Programmastarter > Toepassingen > Overig > mu-editor.
Programmeren in Mu
Bij de eerste start, kan je selecteren voor welk platform je wenst te programmeren.
Python 3 is de meest voor de hand liggende en standaard keuze.
Daarna kan je aan de slag met Python code:
Zoals je merkt, wordt je daarbij zo goed als mogelijk geholpen.
Let wel dat je om de code te kunnen uitvoeren (Run knop) je de code eerst moet opslaan in een bestand (Save knop).
Indien de Mu editor bij het opslaan waarschuwt voor een reeds bestaande bestandsnaam, moet je een andere naam voor uw Python script kiezen.
Doe je dit niet dan kan je de Python omgeving ernstig beschadigen (overschrijven van een bestaande Python bibliotheek, die door andere Python scripts wordt gebruikt).
Veel programmeerplezier
Leren programmeren leer je niet in 30 minuten, maar de Mu editor maakt het een stuk aangenamer en eenvoudiger. Programmeren is eveneens een vaardigheid die je vooral al doende leert, met vallen en opstaan. Let wel, eenmaal je de smaak te pakken hebt, kan het verslavend zijn. Voor de liefhebbers van een donkere mode (en/of nachtuilen) is er de Theme knop. Je merkt het aan de details, Mu is een aanrader voor elke beginnende Python programmeur.