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"Documentation" for {}.popitem().

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Guido van Rossum 2000-12-12 22:03:47 +00:00
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6
Doc/lib/libstdtypes.tex
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@ -817,6 +817,9 @@ arbitrary objects):
{\code{\var{a}[\var{k}]} if \code{\var{a}.has_key(\var{k})}, {\code{\var{a}[\var{k}]} if \code{\var{a}.has_key(\var{k})},
else \var{x} (also setting it)} else \var{x} (also setting it)}
{(5)} {(5)}
\lineiii{\var{a}.popitem()}
{remove and return an arbitrary (\var{key}, \var{value}) pair}
{(6)}
\end{tableiii} \end{tableiii}
\noindent \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 \item[(5)] \function{setdefault()} is like \function{get()}, except
that if \var{k} is missing, \var{x} is both returned and inserted into that if \var{k} is missing, \var{x} is both returned and inserted into
the dictionary as the value of \var{k}. 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} \end{description}