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

stdlib/symtable.pyi

@@ -1,5 +1,5 @@
 import sys
-from typing import Any, List, Sequence, Tuple
+from typing import Any, Sequence, Tuple
 
 def symtable(code: str, filename: str, compile_type: str) -> SymbolTable: ...
 
@@ -15,8 +15,8 @@ class SymbolTable(object):
     def has_exec(self) -> bool: ...
     def get_identifiers(self) -> Sequence[str]: ...
     def lookup(self, name: str) -> Symbol: ...
-    def get_symbols(self) -> List[Symbol]: ...
-    def get_children(self) -> List[SymbolTable]: ...
+    def get_symbols(self) -> list[Symbol]: ...
+    def get_children(self) -> list[SymbolTable]: ...
 
 class Function(SymbolTable):
     def get_parameters(self) -> Tuple[str, ...]: ...