docstr: A proxy-call to the dataframe's `.rename()`.
code: def rename(self, columns):
      """
      A proxy-call to the dataframe's `.rename()`.
      """
      return self.dataframe.rename(columns=columns)
  
imports: from abc import ABC
label_desc: Use image node_id 3 for calling the DataframeAbstract obj's underlying member method code with example usage: obj.rename(columns) and returns: self