Case-insensitive string equality

[John Gordon]

In <mailman.333.1504192626.2689.python-list at python.org> Serhiy Storchaka <storchaka at gmail.com> writes:

> > But when there is a common source of mistakes, we can help prevent
> > that mistake.

> How can you do this? I know only one way -- teaching and practicing.

Modify the environment so that the mistake simply can't happen (or at
least happens much less frequently.)

-- 
John Gordon                   A is for Amy, who fell down the stairs
gordon at panix.com              B is for Basil, assaulted by bears
                                -- Edward Gorey, "The Gashlycrumb Tinies"