[3.6] bpo-28851: Improve namedtuple documentation (GH-1274) (GH-1286)

Clarify that a sequence of strings is the preferred value for 'field_names'.
(cherry picked from commit 97bf722fcd)
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Mariatta 2017-04-25 18:23:05 -07:00 committed by GitHub
parent ea0efa3bc1
commit 16b6f971bd

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@ -771,9 +771,9 @@ they add the ability to access fields by name instead of position index.
helpful docstring (with typename and field_names) and a helpful :meth:`__repr__`
method which lists the tuple contents in a ``name=value`` format.
The *field_names* are a single string with each fieldname separated by whitespace
and/or commas, for example ``'x y'`` or ``'x, y'``. Alternatively, *field_names*
can be a sequence of strings such as ``['x', 'y']``.
The *field_names* are a sequence of strings such as ``['x', 'y']``.
Alternatively, *field_names* can be a single string with each fieldname
separated by whitespace and/or commas, for example ``'x y'`` or ``'x, y'``.
Any valid Python identifier may be used for a fieldname except for names
starting with an underscore. Valid identifiers consist of letters, digits,