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authorGuido van Rossum <guido@python.org>2000-12-12 22:03:47 (GMT)
committerGuido van Rossum <guido@python.org>2000-12-12 22:03:47 (GMT)
commitff63f2023d08add363ab595e90e0a07dca8cf6d8 (patch)
treef3b15366b69a2defaeb84e38e6cae47a68603828 /Doc
parentb822c6138ec1e9c9f76e0320f03df54e4fef2e64 (diff)
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"Documentation" for {}.popitem().
Diffstat (limited to 'Doc')
-rw-r--r--Doc/lib/libstdtypes.tex6
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index 91dd675..da7ef0d 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -817,6 +817,9 @@ arbitrary objects):
{\code{\var{a}[\var{k}]} if \code{\var{a}.has_key(\var{k})},
else \var{x} (also setting it)}
{(5)}
+ \lineiii{\var{a}.popitem()}
+ {remove and return an arbitrary (\var{key}, \var{value}) pair}
+ {(6)}
\end{tableiii}
\noindent
@@ -841,6 +844,9 @@ provided and \var{k} is not in the map, \code{None} is returned.
\item[(5)] \function{setdefault()} is like \function{get()}, except
that if \var{k} is missing, \var{x} is both returned and inserted into
the dictionary as the value of \var{k}.
+
+\item[(6)] \function{popitem()} is useful to destructively iterate
+over a dictionary, as often used in set algorithms.
\end{description}