[issue39971] Error in functional how-to example

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

In think examples should run and that '...' should be replaced by something like "' \n', ''".  The blank string looks ahead to the next example, which adds ' if line != ""' to the comprehension.

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nosy: +terry.reedy
stage:  -> needs patch
title: Error on documentation  -  Quick fix. -> Error in functional how-to example
versions: +Python 3.7, Python 3.9

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<https://bugs.python.org/issue39971>
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