Create sandbox_runner.py

sandbox_runner.py

@@ -0,0 +1,23 @@
+import subprocess
+import tempfile
+
+def sandbox_test(code):
+    try:
+        with tempfile.NamedTemporaryFile("w", delete=False, suffix=".py") as tmp:
+            tmp.write(code)
+            tmp_path = tmp.name
+
+        result = subprocess.run(
+            ["python3", tmp_path],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            timeout=3
+        )
+
+        if result.returncode != 0:
+            return False, result.stderr.decode("utf8")
+
+        return True, None
+
+    except Exception as e:
+        return False, str(e)