code: def expand(self) -> list[str]:
      return [
          self.c50,
          self.c100,
          self.c200,
          self.c300,
          self.c400,
          self.c500,
          self.c600,
          self.c700,
          self.c800,
          self.c900,
          self.c950,
      ]
  
label_desc: Use image node_id 2 for calling the Color obj's underlying member method code with example usage: obj.expand() and returns: list