Codesarray@codesarray

Small games and the code behind them. Short coding lessons with real code and real output.

 New Delhi
codesarray.com
Joined January 2021
233 Photos and videos
A Python script can list its own dependencies in a comment. 馃悕 # /// script # dependencies = ["requests"] # /// -> uv run installs it #Python #Coding
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Full video, Packaging with uv: piped.video/iwxg14e4ro4
How to package Python code with uv, in 4 images. 馃悕 Name a command, run uv build, share the wheel. #Python #Coding
Slide reading 'Package your Python code with uv'. The next slides show the four commands, the function greet calls with its output, and the takeaway 'A package is a folder + a toml'.

ALT Slide reading 'Package your Python code with uv'. The next slides show the four commands, the function greet calls with its output, and the takeaway 'A package is a folder + a toml'.

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Full video, 2 minutes: piped.video/iwxg14e4ro4
A pytest test is just an assert, in 4 images. 馃悕 #Python #Coding
Slide reading 'A test is just an assert'. The next slides show the test code, its failure output assert 5 == 6, and the naming rules, and end with: A test is an assert.

ALT Slide reading 'A test is just an assert'. The next slides show the test code, its failure output assert 5 == 6, and the naming rules, and end with: A test is an assert.

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Full video, Testing with pytest: piped.video/0FMjE920Egk

Python Testing with pytest: Write and Run Tests (Intermediate #16)

Python testing with pytest in 2 minutes: write a test with a plain ...

youtube.com
A pytest test is just an assert. 馃悕 def test_add(): assert add(2, 3) == 6 -> assert 5 == 6 #Python #Coding
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Full video, Testing with pytest: piped.video/0FMjE920Egk

Python Testing with pytest: Write and Run Tests (Intermediate #16)

Python testing with pytest in 2 minutes: write a test with a plain ...

youtube.com
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Fetch JSON from the web with urlopen and json.load, in 4 images. 馃悕 #Python #Coding
Slide reading 'Fetch data from the web, no install'. The next slides show the urlopen code, its output delectus aut autem, and end with: urlopen + json.load.

ALT Slide reading 'Fetch data from the web, no install'. The next slides show the urlopen code, its output delectus aut autem, and end with: urlopen + json.load.

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Full video, HTTP and JSON APIs: piped.video/etiI3qWhWi0
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How to call a web API in Python, in 4 images. 馃悕 urlopen the URL, json.load the response: you get a dictionary. #Python #Coding
Slide reading 'Call a web API in Python'. The next slides show code that opens a URL and loads the JSON, a terminal printing 'delectus aut autem' and False, and the takeaway 'URL in, dictionary out'.

ALT Slide reading 'Call a web API in Python'. The next slides show code that opens a URL and loads the JSON, a terminal printing 'delectus aut autem' and False, and the takeaway 'URL in, dictionary out'.

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Full video, 2 minutes: piped.video/etiI3qWhWi0
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Fetch JSON from the web with only the standard library. 馃悕 urlopen(url, timeout=10) json.load(r)["title"] -> delectus aut autem #Python #Coding
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Full video, HTTP and JSON APIs: piped.video/etiI3qWhWi0
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Walk a tree left, node, right and get sorted values, in 4 images. 馃悕 #Python #Coding
Slide reading 'A tree that hands you sorted values'. The next slides show the inorder function, its output [1, 2, 3], and end with: Left, node, right = sorted.

ALT Slide reading 'A tree that hands you sorted values'. The next slides show the inorder function, its output [1, 2, 3], and end with: Left, node, right = sorted.

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Full video, Trees and traversal: piped.video/ZYZUSZJeNa4
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Walk a binary search tree left, node, right and the values come out sorted. 馃悕 inorder(tree) -> [1, 2, 3] #Python #Coding
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Full video, Trees and traversal: piped.video/ZYZUSZJeNa4
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How an in-order walk visits a binary tree, in 4 images. 馃悕 Walk left, print the node, walk right: the values come out sorted. #Python #Coding
Slide reading 'Walk a tree left, node, right'. The next slides show a recursive inorder function, a terminal printing 1, 2, 3, 4, 6, and the takeaway 'Left, node, right = sorted order'.

ALT Slide reading 'Walk a tree left, node, right'. The next slides show a recursive inorder function, a terminal printing 1, 2, 3, 4, 6, and the takeaway 'Left, node, right = sorted order'.

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Full video, 2 minutes: piped.video/ZYZUSZJeNa4
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