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| -rw-r--r-- | Doc/lib/libstdtypes.tex | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex index fd58614..7ebdc63 100644 --- a/Doc/lib/libstdtypes.tex +++ b/Doc/lib/libstdtypes.tex @@ -1398,7 +1398,8 @@ that if \var{k} is missing, \var{x} is both returned and inserted into the dictionary as the value of \var{k}. \var{x} defaults to \var{None}. \item[(6)] \function{popitem()} is useful to destructively iterate -over a dictionary, as often used in set algorithms. +over a dictionary, as often used in set algorithms. If the dictionary +is empty, calling \function{popitem()} raises a \exception{KeyError}. \item[(7)] \function{fromkeys()} is a class method that returns a new dictionary. \var{value} defaults to \code{None}. \versionadded{2.3} |