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bpo-43126: Expand docs on io.IOBase.readlines() method (GH-27061) (#27114)

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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
(cherry picked from commit 3b5b99da4b)

Co-authored-by: andrei kulakov <andrei.avk@gmail.com>
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Miss Islington (bot) 2021-07-13 07:41:31 -07:00 • committed by GitHub
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@ -315,6 +315,9 @@ I/O Base Classes
to control the number of lines read: no more lines will be read if the to control the number of lines read: no more lines will be read if the
total size (in bytes/characters) of all lines so far exceeds *hint*. total size (in bytes/characters) of all lines so far exceeds *hint*.
*hint* values of ``0`` or less, as well as ``None``, are treated as no
hint.
Note that it's already possible to iterate on file objects using ``for Note that it's already possible to iterate on file objects using ``for
line in file: ...`` without calling ``file.readlines()``. line in file: ...`` without calling ``file.readlines()``.