<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def rename(self, new_name_or_name_dict=None, **names):
 """Returns a new DataArray with renamed coordinates or a new name. Parameters new_name_or_name_dict : str or dict-like, optional If the argument is dict-like, it it used as a mapping from old names to new names for coordinates. Otherwise, use the argument as the new name for this array. **names, optional The keyword arguments form of a mapping from old names to new names for coordinates. One of new_name_or_name_dict or names must be provided. Returns ------- renamed : DataArray Renamed array or array with renamed coordinates. See Also -------- Dataset.rename DataArray.swap_dims """

        if names or utils.is_dict_like(new_name_or_name_dict):
            name_dict = either_dict_or_kwargs(
                new_name_or_name_dict, names, 'rename')
            dataset = self._to_temp_dataset().rename(name_dict)
            return self._from_temp_dataset(dataset)
        else:
            return self._replace(name=new_name_or_name_dict)