diff --git a/content/computer_sci/coding_knowledge/coding_lang_MOC.md b/content/computer_sci/coding_knowledge/coding_lang_MOC.md
index 2d44136e3..59b8924d7 100644
--- a/content/computer_sci/coding_knowledge/coding_lang_MOC.md
+++ b/content/computer_sci/coding_knowledge/coding_lang_MOC.md
@@ -1,15 +1,16 @@
 ---
 title: About coding language design detail
 tags:
-- basic
-- coding-language
-- MOC
-date: 2023-09-04
+  - basic
+  - coding-language
+  - MOC
+date: 2024-03-07
 ---
 
 # Python
 
-[Why python doesn't need pointer?](computer_sci/coding_knowledge/python/python_doesnt_need_pointer.md)
+* [Why python doesn't need pointer?](computer_sci/coding_knowledge/python/python_doesnt_need_pointer.md)
+* [Underline in python](computer_sci/coding_knowledge/python/underline_in_python.md)
 
 # C