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-rw-r--r--Objects/dictobject.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 84cf482..70f05e5 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -1779,7 +1779,8 @@ PyDoc_STRVAR(values__doc__,
"D.values() -> list of D's values");
PyDoc_STRVAR(update__doc__,
-"D.update(E) -> None. Update D from E: for k in E.keys(): D[k] = E[k]");
+"D.update(E, **F) -> None. Update D from E and F: for k in E: D[k] = E[k]\n\
+(if E has keys else: for (k, v) in E: D[k] = v) then: for k in F: D[k] = F[k]");
PyDoc_STRVAR(fromkeys__doc__,
"dict.fromkeys(S[,v]) -> New dict with keys from S and values equal to v.\n\