Update a.py

a.py

+#this is test message
 try:
     import jinja2
     template = jinja2.Template("Hello {{ name }}!")
@@ -44,4 +45,4 @@ try:
 except Exception as e:
     print("❌ Loguru 测试失败:", e)
 
-print("\n🎉 所有测试完成")
\ No newline at end of file
+print("\n🎉 所有测试完成")