diff --git a/stdlib/2and3/operator.pyi b/stdlib/2and3/operator.pyi
index 665512359..e301b0df3 100644
--- a/stdlib/2and3/operator.pyi
+++ b/stdlib/2and3/operator.pyi
@@ -106,10 +106,14 @@ def countOf(__a: Container[Any], __b: Any) -> int: ...
 @overload
 def delitem(__a: MutableSequence[_T], __b: int) -> None: ...
 @overload
+def delitem(__a: MutableSequence[_T], __b: slice) -> None: ...
+@overload
 def delitem(__a: MutableMapping[_K, _V], __b: _K) -> None: ...
 @overload
 def __delitem__(a: MutableSequence[_T], b: int) -> None: ...
 @overload
+def __delitem__(a: MutableSequence[_T], b: slice) -> None: ...
+@overload
 def __delitem__(a: MutableMapping[_K, _V], b: _K) -> None: ...
 
 if sys.version_info < (3, ):
@@ -119,10 +123,14 @@ if sys.version_info < (3, ):
 @overload
 def getitem(__a: Sequence[_T], __b: int) -> _T: ...
 @overload
+def getitem(__a: Sequence[_T], __b: slice) -> Sequence[_T]: ...
+@overload
 def getitem(__a: Mapping[_K, _V], __b: _K) -> _V: ...
 @overload
 def __getitem__(a: Sequence[_T], b: int) -> _T: ...
 @overload
+def __getitem__(a: Sequence[_T], b: slice) -> Sequence[_T]: ...
+@overload
 def __getitem__(a: Mapping[_K, _V], b: _K) -> _V: ...
 
 if sys.version_info < (3, ):
@@ -141,10 +149,14 @@ if sys.version_info < (3, ):
 @overload
 def setitem(__a: MutableSequence[_T], __b: int, __c: _T) -> None: ...
 @overload
+def setitem(__a: MutableSequence[_T], __b: slice, __c: Sequence[_T]) -> None: ...
+@overload
 def setitem(__a: MutableMapping[_K, _V], __b: _K, __c: _V) -> None: ...
 @overload
 def __setitem__(a: MutableSequence[_T], b: int, c: _T) -> None: ...
 @overload
+def __setitem__(a: MutableSequence[_T], b: slice, c: Sequence[_T]) -> None: ...
+@overload
 def __setitem__(a: MutableMapping[_K, _V], b: _K, c: _V) -> None: ...
 
 if sys.version_info < (3, ):