Programmer Humor

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submitted 3 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 9 points 3 weeks ago (11 children)

In Python you can use this as a variable name

[–] [email protected] 4 points 3 weeks ago (3 children)

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 3 weeks ago* (last edited 3 weeks ago) (2 children)

_ (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 2 weeks ago

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

Ie:

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

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