code: def save(self):
          
  
          try:
              with open(self.path, "w") as f:
                  f.writelines(self.contents)
          except IOError as e:
              raise InternalError("Could not write RCFile contents", name=self.name, path=self.path, error_message=str(e))
docs: Update the configuration file on disk with the current contents of self.contents.
          Previous contents are overwritten.