Use unpacking (#9044)

Author: hugovk

src/PIL/ImageMath.py

@@ -308,7 +308,7 @@ def unsafe_eval(
 
     # build execution namespace
     args: dict[str, Any] = ops.copy()
-    for k in list(options.keys()) + list(kw.keys()):
+    for k in [*options, *kw]:
         if "__" in k or hasattr(builtins, k):
             msg = f"'{k}' not allowed"
             raise ValueError(msg)

src/PIL/McIdasImagePlugin.py

@@ -44,7 +44,7 @@ def _open(self) -> None:
             raise SyntaxError(msg)
 
         self.area_descriptor_raw = s
-        self.area_descriptor = w = [0] + list(struct.unpack("!64i", s))
+        self.area_descriptor = w = [0, *struct.unpack("!64i", s)]
 
         # get mode
         if w[11] == 1: