<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _count_values(self):
 """Return dict mapping relevance level to sample index"""

        indices = {yi: [i] for i, yi in enumerate(self.y) if self.status[i]}

        return indices