[Python-ideas] Checking interned string after stringobjects concat?

[Serhiy Storchaka]

21.04.18 13:42, Chris Angelico пише:
> What you're seeing there is actually the peephole optimizer at work.

Since 3.7 constant folding is the AST optimizer work. The end result is 
the same in most cases though.

Other optimization takes place here too. Constants strings that look 
like identifiers (short string consisting of ASCII alphanumerical 
characters) are interned in the code object constructor.