We could simplify that code with an assignment expression:

def read_in_chunks(path):
with open(path, mode="rb") as file:
while chunk := file.‍read(8192):
yield chunk

No more duplicated file.‍read(8192) call! 🎉

Assignment expressions are assignments that can be embedded in another expression.

The := operator that powers them is called "the walrus operator" because it looks like a walrus laying on its side. See the tusks?

More: https://pym.dev/using-walrus-operator/

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For readability's sake, I prefer to use "\N" to include Unicode characters within strings based on their name:

message = "Yay! \N{sparkles}"

The capitalization in the name doesn't matter:

message = "Yay! \N{SPARKLES}"

If you don't know the name of a Unicode character, you could use unicodedata.‍name to look it up:

>>> import unicodedata
>>> unicodedata.‍name("\u2728")
'SPARKLES'

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Unicode characters copy-pasted into Python code can look odd because fixed-width fonts often don't handle non-ASCII characters well.

Using a "\u" or "\U" prefix works:

message = "Yay! \u2728"

But unless you've memorized the fact that "\u2728" represents ✨, you won't know what that string would actually look like.

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Trailing commas make reordering items easier and git diffs shorter.

Trailing commas also control auto-formatter styling.

Without a trailing comma, a long function call might become:

print(
"pears", "jujubes", "apples", "bananas", "limes", "blueberries", "lemons"
)

Add a comma after "lemons" and Black/ruff will put each argument on its own line instead.

More on trailing commas: https://pym.dev/trailing-commas-in-python/

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