Why is standard output stream(sys.stdout) buffered, while standard error stream

Question

Why is standard output stream(sys.stdout) buffered, while standard error stream

not buffered ??

I stumbled on this statement while reading mark summerfields programming in python 3 book,
I was going through the section io.StringIO class.

Is buffer like a cache ??

Any thoughts appreciated
Happy learning

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01.08.2018

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Fayaz Khan · Accepted Answer

Fayaz Khan

Not a cache, a buffer is an intermediate storage used usually for data transfer for optimization. So that the system can minimize write operations. This would be bad for stderr since delaying error messages is a bad idea.

0

01.08.2018

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Why is standard output stream(sys.stdout) buffered, while standard error stream

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