a,b = 2,3 and [a,b] = [2,3]

Serhiy Storchaka storchaka at gmail.com
Tue Sep 3 03:51:44 EDT 2019

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02.09.19 12:24, Chris Angelico пише:
> But the curious difference happens in 3.7. I don't know what changed
> to cause this, but from there on, the list gets built and then
> unpacked.

This was a side effect of moving the optimization for `x in [a, b]` from 
the peepholer to the AST optimizer.

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