[issue13746] ast.Tuple's have an inconsistent "col_offset" value

[Georg Brandl]

Georg Brandl <georg at python.org> added the comment:

This is because the parentheses don't really belong to the tuple literal.

You could just as well write

b = 1, 3.14, 'abc', u'XYZ'

In other cases, the parentheses may be needed for grouping purposes (e.g. in function calls), but they still are only for grouping, just as in (a + b) * c.

For the empty tuple, where the parentheses actually are part of the literal, the col_offset is correct.

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nosy: +georg.brandl
resolution:  -> invalid
status: open -> closed

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<http://bugs.python.org/issue13746>
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