[docs] [issue22106] Python 2 docs 'control flow/pass' section contains bad example

[Ezio Melotti]

Ezio Melotti added the comment:

Keep in mind that this is in one of the first sections of the tutorial, where try/except, with, and generators have not been introduced yet.
Maybe the comment could be changed to a simpler "loop forever (use ctrl+c to stop)" so that it doesn't suggest that this is the way to wait for keyboard interrupts and/or a note like "note that this will use 100% of the CPU" could be added as well.

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