Lightnews — Scholar-powered news

teachmepython.bsky.social @teachmepython.bsky.social · 2d

For me I am excited to see all these new performance-related improvements, as well as the neat REPL enhancements and more helpful error messages.

teachmepython.bsky.social @teachmepython.bsky.social · 2d

What's your favorite new feature in the last couple of releases of #Python? 🐍🤔

1

teachmepython.bsky.social @teachmepython.bsky.social · 3d

Install the latest #Python today with uv:

uv python upgrade 3.14

1

teachmepython.bsky.social @teachmepython.bsky.social · 3d

#Python Tricks

Want to read the Python code of the file you are executing?

Add the following to the end of your script and it will output the entire file to stdout:

1

teachmepython.bsky.social @teachmepython.bsky.social · 4d

#Python 3.14 is out now!

🐍 - Free-threading
🐍 - Deferred annotations
🐍 - t-strings
🐍 - ZStandard compression
🐍 - Multi-interpreter support
🐍 - JIT compiler included for Windows and MacOS
🐍 - and more!

1 1

teachmepython.bsky.social @teachmepython.bsky.social · 4d

#Python Pop Quiz 🐍❓

What is the output of the following code?

A) Syntax Error
B) Type Error
C) Case A Found!
D)

1

teachmepython.bsky.social @teachmepython.bsky.social · 5d

Need to find the most common number in a sequence with #Python? 🐍🔥

The collections module has a great class for that!

1

teachmepython.bsky.social @teachmepython.bsky.social · 9d

#Python Pro Tip - How to flatten a list of lists 🐍🔥

1

teachmepython.bsky.social @teachmepython.bsky.social · 10d

Stupid #Python trick 🐍🤯

Calling a dunder method directly without using name mangling

teachmepython.bsky.social @teachmepython.bsky.social · 12d

#Python Pop Quic 🐍❓

A) {range}
B) (range)
C) [0, 1, 2]
D) (0, 1, 2)
E) {0, 1, 2}

1

teachmepython.bsky.social @teachmepython.bsky.social · 12d

I don't use lambdas very often, but they are very handy in #Python when you use the built-in sorted() function

By using a lambda, you can do some cool advanced sorting! 🐍🔥

1 1 6

teachmepython.bsky.social @teachmepython.bsky.social · 16d

What have you used #Python's case statement for? 🐍❓

If you haven't seen it, here's an example:

teachmepython.bsky.social @teachmepython.bsky.social · 16d

#Python Pop Quiz 🐍❓

What will be the output if you run this code?

A) Outer ZeroDivisionError exception caught
B) Error: You divided by zero!
C) Error: You divided by zero! Finally executed
D) Finally executed
E) None of the above

teachmepython.bsky.social @teachmepython.bsky.social · 17d

Need to time how long a short snippet of #python code takes to run? Use the timeit module! 🐍🔥

You can also use timeit to time functions and imports!

teachmepython.bsky.social @teachmepython.bsky.social · 17d

Here's a silly example of a function factory using #Python and lambdas

Normally, you wouldn't use lambdas, but you might have a list of functions or a use a generator to return functions or callables.

teachmepython.bsky.social @teachmepython.bsky.social · 22d

Here's some ternary fun with #Python 🐍🔥

1

teachmepython.bsky.social @teachmepython.bsky.social · 22d

How to use #Python threads to target specific functions as workers

teachmepython.bsky.social @teachmepython.bsky.social · 22d

How often do you use the ternary operator in #Python?

Here's an example in case you haven't heard of it:

teachmepython.bsky.social @teachmepython.bsky.social · 23d

Have you ever used a generator expression in #Python? They are similar to a list comprehension except that you get a generator returned.

Check it out:

2

teachmepython.bsky.social @teachmepython.bsky.social · 24d

Function overloading in #Python using the functools module! 🐍🔥

teachmepython.bsky.social @teachmepython.bsky.social · 25d

You can read his whole write-up here:

benkurtovic.com/2014/06/01/...

teachmepython.bsky.social @teachmepython.bsky.social · 25d

One of the craziest lambdas I have ever seen in #Python 🐍🚀

The obfuscated "Hello World" by Ben Kurtovic

1 1

teachmepython.bsky.social @teachmepython.bsky.social · 25d

Have you ever used #Python's handy ChainMap collection?

You can use ChainMap to combine dictionaries, among other things:

3

teachmepython.bsky.social @teachmepython.bsky.social · 25d

Here's a silly #Python trick. 🐍🔥

You can use lambdas to create a simple function dictionary where you can call each function using the key in the dict:

teachmepython.bsky.social @teachmepython.bsky.social · 29d

You can get the GitKracken Pro subscription for 50% off here:

gitkraken.cello.so/DnismeH8TmN

GitKraken Legendary Git Tools | GitKraken

Meet GitKraken, the creator of legendary Git tools for developers and teams - like the GitKraken Desktop, with Git GUI and CLI, Git Integration for Jira, and GitLens for VS Code.

gitkraken.cello.so