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.
  assert create_table_of_contents_page(True)==True
  assert create_table_of_contents_page(False)==False
  assert create_table_of_contents_page()==True
output: def create_table_of_contents_page(data_available=True):
      return data_available