[issue40599] Improve error messages with expected keywords

[Lysandros Nikolaou]

Lysandros Nikolaou <lisandrosnik at gmail.com> added the comment:

I also concur with Guido here. I have played around with other languages and I dislike getting a long list of expected tokens, that are not helpful, if not actually confusing sometimes.

I think that the current generic SyntaxError description together with the error caret actually does a good job of directing someone to close where the error is, without providing too much information that might be misleading.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40599>
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