Why aren't colons optional?

[Erik Max Francis]

Alex Martelli wrote:

> FWIW: me too, despite being a rather good Pythonista by now.  At
> least, because it keeps happening often, I can recognize and fix it
> instantly.

Same here. I use python-mode with emacs and so find my eyes looking at
the following line and wondering why it's not indented (which
python-mode will automatically do for you when it sees a colon).  My
brain catches up and realizes it missed a colon.

For the record, although they're not strictly required, I think that the
colons should be there.  They set things off strongly and that's very
valuable.

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