Use as-patern to capture the unknow command

Author: tanloong

Lib/sqlite3/__main__.py

@@ -58,9 +58,9 @@ def runsource(self, source, filename="<input>", symbol="single"):
                     print("Enter SQL code and press enter.")
                 case "quit":
                     sys.exit(0)
-                case _:
-                    print('Error: unknown command or invalid arguments:  '
-                          f'"{source[1:].strip()}". Enter ".help" for help')
+                case _ as unknown:
+                    print("Error: unknown command or invalid arguments:  "
+                          f'"{unknown}". Enter ".help" for help')
         else:
             if not sqlite3.complete_statement(source):
                 return True