<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def read_galprop_rings_yaml(self, galkey):
 """ Read the yaml file for a partiuclar galprop key """

        galprop_rings_yaml = self._name_factory.galprop_rings_yaml(galkey=galkey,
                                                                   fullpath=True)
        galprop_rings = yaml.safe_load(open(galprop_rings_yaml))
        return galprop_rings