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vsespb
<blockquote>I don't use much python.</blockquote>
That's strange. Half of GUI applications, that I use under Ubuntu, is written in Python.
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Do you use at least once application written in python? Does it ask you upgrade python?
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<blockquote>Installing new versions is generally pretty simple</blockquote>
<blockquote> I use perlbrew for Perl and rvm for Ruby.</blockquote>
I think OP was about "end users". So your experience upgrading your own programmer's tools is irrelevant.
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