input: Write a function to determine if it is possible to create a HTML page that displays a table of contents from the data stored in a database. If it is possible return True else return False. If the given database is empty, return True.
  assert create_toc_page(["Chapter 1", "Chapter 2", "Chapter 3"])==True
  assert create_toc_page([])==True
  assert create_toc_page(["Section A", "Section B", "Subsection 1", "Subsection 2"])==True
  assert create_toc_page(["Title", "Subtitle", "Section"])==True
  assert create_toc_page(None)==False
output: def create_toc_page(data):
      if data is None:
          return False
      return True