fix

Author: weijie-chen

scripts/update_readme.py

@@ -1,6 +1,7 @@
 import os
 import re
 from datetime import datetime
+from urllib.parse import quote
 
 # Directory where notebooks are stored
 notebooks_dir = 'notebooks'
@@ -17,15 +18,19 @@
 new_base_url = "https://nbviewer.org/github/weijie-chen/Linear-Algebra-With-Python/blob/master/notebooks"
 
 # Function to generate new lecture link
-def generate_chapter_link(filename):
-    chapter_name = filename.replace('.ipynb', '')
-    return f"[{chapter_name}]({new_base_url}/{filename})"
+def generate_lecture_link(filename):
+    lecture_name = filename.replace('.ipynb', '')
+    encoded_filename = quote(filename)
+    return f"[{lecture_name}]({new_base_url}/{encoded_filename})"
 
-# Get list of notebook files
-notebook_files = [f for f in os.listdir(notebooks_dir) if f.endswith('.ipynb')]
+# Get list of notebook files and sort them numerically by chapter
+notebook_files = sorted(
+    [f for f in os.listdir(notebooks_dir) if f.endswith('.ipynb')],
+    key=lambda x: int(re.search(r'\d+', x).group())
+)
 
 # Create a new content section for the lectures
-lectures_section = "\n".join([generate_chapter_link(file) + "<br>" for file in sorted(notebook_files)])
+lectures_section = "\n".join([generate_lecture_link(file) + "<br>" for file in notebook_files])
 
 # Update the lectures section in the README content
 content = re.sub(r'## Contents(.|\n)*?(?=##)', f'## Contents\n\n{lectures_section}\n\n', content, flags=re.DOTALL)