Steven D'Aprano <steve+pyt...@pearwood.info> added the comment:
Python 3.9 is in feature freeze, this couldn't be added before 3.10 now.
You have:
", ".join(["a", "b", "c"], ", and ")
outputing this:
"a, b, and, c"
So what are the semantics of this additional argument? To insert it before the
last item?
----------
nosy: +steven.daprano
versions: +Python 3.10 -Python 3.9
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<https://bugs.python.org/issue43280>
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