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-rw-r--r-- | Doc/lib/libstdtypes.tex | 6 |
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} |