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submitted 1 week ago by [email protected] to c/[email protected]

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[-] [email protected] 4 points 1 week 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.

[-] [email protected] 3 points 1 week ago* (last edited 1 week 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()

[-] [email protected] 1 points 6 days ago

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

Ie:

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

[-] [email protected] 5 points 1 week 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 use to indicate a "private" class variable or method (Python doesn't have private so it's just a convention).

this post was submitted on 08 Jun 2025

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