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Stephen Gruppetta Profile picture
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Apr 16 • 4 tweets • 4 min read
Anyone wants a step-by-step tutorial on creating this lunar landing game using #Python's turtle module?

#coding #programming #100daysodcode #learnPython #LearnToCode
This is not a rhetorical question. I haven't written the article yet, so whether I do or not depends on your responses…
Ok, Ok, Ok, you've all convinced me. Now I just need to stop playing the game, and start writing the article.

Easier said than done…

#python #turtle #game #tutorial
Make sure you're all following me at @s_gruppetta_ct to make sure you get the link to this tutorial when it's hot off the press, figuratively, of course!

#python #100daysofcode

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More from @s_gruppetta_ct

Stephen Gruppetta Profile picture
Apr 19
"I'm struggling to understand <topic>.
No matter how much I try, I can't get it"

As I've been getting to know the #Pythonverse on Twitter better in recent weeks, I've seen this common theme recur often from beginners

If this is you, read on…
👇🪡🧵

#Python #codenewbie #coding
It's not just you.

This is the norm, not the exception

There are a number of reasons why this happens.

Here are some of them…
〰️
You may be learning a topic a bit too early.

Some topics need a good understanding of other concepts before you can fully grasp them.

#ObjectOrientedProgramming is one such area. Many beginners try to learn this topic before they've fully mastered the basics…
Read 8 tweets
Stephen Gruppetta Profile picture
Apr 18
There are many ways to practise using different data structures in #Python…

…not many are as fun as this one!

Here's the step-by-step tutorial to work your way towards writing this animation: thepythoncodingbook.com/2021/10/31/usi…

#100daysofcode #coding #learnPython

1 of 3
In this project, you'll get to use lists, tuples, dictionaries, and sets to set up the grid, colours, and get the balls to bounce and speed across the tiles.

It's fun to write, and fun to watch, too!

2 of 3
If you don't have the time for this but know someone who does, please do share…

#python #coding

3 of 3
Read 4 tweets
Stephen Gruppetta Profile picture
Apr 17
thereisareasonwhyweusespacesandpunctuation

Languages like Latin and Ancient Greek didn't always have spaces and punctuation.

Code wasn't always written to be readable.

Both things have changed, for the better

readon👇🪡🧵

thepythoncodingbook.com/2021/10/11/pyt…
#python #100daysofcode #pep8
In the earlier days of computer #programming, there were only a few programmers.

The complexity of computer code was limited primarily by the hardware restrictions on memory and speed of execution.

#codinginthepast #coding
Code was rarely shared and read by others, and teams working on software were small and often consisted of just one person.
Read 18 tweets
Stephen Gruppetta Profile picture
Apr 11
Let's fork this thread since people seem to be as fascinated by this topic as I am…

This process happens in nature. Any lens (a camera lens, the eye) 'calculates' the #FourierTransform of the object being imaged.

Read on…
[1/n]

#Fourier #Optics
The Fourier Transform coincides with the plane of the lens. So small lenses cut out the higher spatial frequencies that are furthest from the centre.

Therefore, these higher frequencies do not go through the lens and they're lost…

[2/n]
So when the remaining frequencies are recombined at the image plane (say the back of the camera or the back of the eye), the terms that are needed for the fine detail are not there…

The image is blurred.

This is diffraction.

[3/n]
Read 4 tweets
Stephen Gruppetta Profile picture
Apr 11
What's an image made of?

There are many correct answers.

But the most fascinating one is: << sines & cosines >>

Read on if you're intrigued👇🧵🪡

#python #images #fourier
*Any* image can be reconstructed from a series of sinusoidal gratings.

A sinusoidal grating looks like this…

#sinusoidal #grating Sinusoidal grating
It’s called a sinusoidal grating because the grayscale values vary according to the sine function.

If you plot the values along a horizontal line of the grating, you’ll get a plot of a sine function Cross-section of a sinusoidal grating
Read 18 tweets
Stephen Gruppetta Profile picture
Apr 10
A quick introduction: I used to be a physicist, which is where I learnt coding.

As a university academic, coding and teaching were both things I enjoyed.

👇🧵🪡
thepythoncodingbook.com/about/
#coding #python
I always felt that explaining abstract and complex concepts in an accessible way was something I'm good at.

My undergrad students agreed…

And now, so do my coding students, young and, er, not so young…

#teaching #learning
Now I spend my time:
—> running @codetoday_
—> teaching coding to kids & adults
—> writing articles and books on #coding and #Python
—> creating and running Python courses and workshops (coming soon…)

You can read my articles on:
º thepythoncodingbook.com
º @realpython
Read 4 tweets

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