code: def result(self):
      return self.sum / (ops.cast(self.total, dtype="float32") + 1e-7)
  
imports: import numpy
  from keras import backend
  from keras import initializers
  from keras import metrics
  from keras import ops
  from keras import testing
  from keras.metrics.metric import Metric
label_desc: Use image node_id 3 for calling the ExampleMetric obj's underlying member method code with example usage: obj.result() and returns: unknown