code: def update(self, *args, **kwargs):
          
          if len(args) > 1:
              raise TypeError("update expected at most 1 arguments, got %d" % len(args))
  
          for key, value in dict(*args, **kwargs).items():
              self[key] = value
docs: D.update([E, ]**F) -> None.  Update D from dict/iterable E and F.
              If E is present and has a .keys() method, then does:  for k in E: D[k] = E[k]