Re^2: Is there a reason to use "join" instead of just using the period? (Benchmark results.)

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in reply to Re: Is there a reason to use "join" instead of just using the period? (Benchmark results.)
in thread Is there a reason to use "join" instead of just using the period?

On this basis, I'm changing my general rule-of-thumb to use concatenation over join.

Go with the most readable alternative. The slowest of your examples happens 300,000 times per second. I very much doubt you do enough concatenatons in you progams for a 15% improvment of that to matter.