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The meaning of this (lemmy.ml)

submitted 2 months ago by bestelbus22@lemmy.world to c/programmerhumor@lemmy.ml

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[-] AdamEatsAss@lemmy.world 11 points 2 months ago

In Python you can use this as a variable name

[-] pennomi@lemmy.world 9 points 2 months ago* (last edited 2 months ago)

In Python you can use 🍆 as a variable name.

Edit: oops, guess I was mistaken, you can use most Unicode but emojis are not valid.

[-] embed_me@programming.dev 11 points 2 months ago

Just going by the reputation, you probably can do this in JavaScript

[-] scott@lemmy.org 4 points 2 months ago

~ $ python
Python 3.12.10 (main, Apr  9 2025, 18:13:11) [Clang 18.0.3 (https://android.googlesource.com/toolchain/llvm-project d8003a456 on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> ❗ = 'nah'
  File "<stdin>", line 1
    ❗ = 'nah'
    ^
SyntaxError: invalid character '❗' (U+2757)
>>>
~ $ node
Welcome to Node.js v23.11.1.
Type ".help" for more information.
> const 👍 = 'test'
const 👍 = 'test'
      ^

Uncaught SyntaxError: Invalid or unexpected token
>

[-] CanadaPlus@lemmy.sdf.org 10 points 2 months ago

Edit: oops, guess I was mistaken, you can use most Unicode but emojis are not valid.

That actually seems even more arbitrary. Like, do they just hate fun?

[-] captain_aggravated@sh.itjust.works 5 points 2 months ago

you might be thinking of Rust.

[-] QuazarOmega@lemy.lol 4 points 2 months ago

C supremacy

[-] mkwt@lemmy.world 4 points 2 months ago

The source character set is implementation defined.

[-] ryedaft@sh.itjust.works 4 points 2 months ago

You can use anything that doesn't start with a digit or punctuation as a variable name (underscore beginning also allowed) unless it's a keyword.

[-] funkless_eck@sh.itjust.works 3 points 2 months ago* (last edited 2 months ago)

_ (sic) as a variable name is often used when a function returns multiple outputs but you only want one

 def my_function:
      return 1, 2, 3

 _, two, _ = my_function()

[-] ryedaft@sh.itjust.works 6 points 2 months ago* (last edited 2 months ago)

Underscore alone is a special variable name and I'm pretty sure anything assigned to it goes straight to garbage collection. Whereas _myvariable is typically used to indicate a "private" class variable or method (Python doesn't have private so it's just a convention).

[-] Archr@lemmy.world 1 points 2 months ago

_ can also be used in the python interactive terminal to mean 'last return value'

Ie:

> 'string'
'string'
> a = _
> print(a)
string

this post was submitted on 08 Jun 2025

529 points (97.5% liked)

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