Big diff: use lower-case list and dict (#5888)

stdlib/difflib.pyi

@@ -1,5 +1,5 @@
 import sys
-from typing import Any, AnyStr, Callable, Generic, Iterable, Iterator, List, NamedTuple, Sequence, Tuple, TypeVar, Union, overload
+from typing import Any, AnyStr, Callable, Generic, Iterable, Iterator, NamedTuple, Sequence, Tuple, TypeVar, Union, overload
 
 if sys.version_info >= (3, 9):
     from types import GenericAlias
@@ -23,9 +23,9 @@ class SequenceMatcher(Generic[_T]):
         def find_longest_match(self, alo: int = ..., ahi: int | None = ..., blo: int = ..., bhi: int | None = ...) -> Match: ...
     else:
         def find_longest_match(self, alo: int, ahi: int, blo: int, bhi: int) -> Match: ...
-    def get_matching_blocks(self) -> List[Match]: ...
-    def get_opcodes(self) -> List[Tuple[str, int, int, int, int]]: ...
-    def get_grouped_opcodes(self, n: int = ...) -> Iterable[List[Tuple[str, int, int, int, int]]]: ...
+    def get_matching_blocks(self) -> list[Match]: ...
+    def get_opcodes(self) -> list[Tuple[str, int, int, int, int]]: ...
+    def get_grouped_opcodes(self, n: int = ...) -> Iterable[list[Tuple[str, int, int, int, int]]]: ...
     def ratio(self) -> float: ...
     def quick_ratio(self) -> float: ...
     def real_quick_ratio(self) -> float: ...
@@ -36,11 +36,11 @@ class SequenceMatcher(Generic[_T]):
 @overload
 def get_close_matches(  # type: ignore
     word: AnyStr, possibilities: Iterable[AnyStr], n: int = ..., cutoff: float = ...
-) -> List[AnyStr]: ...
+) -> list[AnyStr]: ...
 @overload
 def get_close_matches(
     word: Sequence[_T], possibilities: Iterable[Sequence[_T]], n: int = ..., cutoff: float = ...
-) -> List[Sequence[_T]]: ...
+) -> list[Sequence[_T]]: ...
 
 class Differ:
     def __init__(self, linejunk: _JunkCallback | None = ..., charjunk: _JunkCallback | None = ...) -> None: ...