class_docstr: An AbstractSampledStat that maintains a simple count of what it has seen.
code: def combine(self, samples, config, now):
      return float(sum(sample.value for sample in samples))
  
imports: from __future__ import absolute_import
  from kafka.metrics.stats.sampled_stat import AbstractSampledStat
label_desc: Use image node_id 3 for calling the Count obj's underlying member method code with example usage: obj.combine(samples, config, now) and returns: float