Python sort of did too, you can use _ to access the last-returned variable in th... | Hacker News

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		nosignal on Aug 10, 2011 \| parent \| context \| favorite \| on: Awesome but commonly unknown Linux Commands Python sort of did too, you can use _ to access the last-returned variable in the interpreter. `[testfunc(x) for x in testlist] <successful result> success = _ print _ <successful result>` It's useful when using the interpreter as a calculator, or when you're bashing out some calculation you can never remember how to do properly.

brettnak on Aug 10, 2011 [–]

The same thing also works in irb.

    >> "foo"
    => "foo"
    >> bar = _
    => "foo"
    >> bar
    => "foo"

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