code: def cell_has_code(lines):
      
      for i, line in enumerate(lines):
          stripped_line = line.strip()
          if stripped_line.startswith('#'):
              continue
  
          # Two consecutive blank lines?
          if not stripped_line:
              if i > 0 and not lines[i - 1].strip():
                  return False
              continue
  
          return True
  
      return False
docs: Is there any code in this cell?