upgrade structures and migrate to nextra v4

toolboxes/LNG_v1.0.py

@@ -0,0 +1,19 @@
+import os
+
+course_code=input('We will follow the naming pattern of {class}_L{lecture number}.md, enter the course code to start.\n')
+start=input('enter the number of lecture that you are going to start.\n')
+end=input('Enter the end of lecture (exclusive).\n')
+start=int(start)
+end=int(end)
+
+cur_dir = os.path.dirname(os.path.abspath(__file__))
+
+while start<end:
+    # create a empty text file
+    file_name = os.path.join(cur_dir, f'{course_code}_L{start}.md')
+    fp = open(file_name, 'w')
+    fp.write(f'# Lecture {start}')
+    fp.close()
+    start+=1
+
+print("Complete")