code: def _fowlkes_mallows_index(
      tp_at_topks, k_list, y_true_len, y_pred_count
  ):
      precision = _precision(tp_at_topks, k_list, y_pred_count)
      recall = _recall(tp_at_topks, k_list, y_true_len)
      return _pos_sqrt(precision * recall)
  
imports: from collections.abc import Sequence
  import dataclasses
  from typing import Any
  import numpy
  from numpy import typing
  from tensorflow_model_analysis.experimental.lazytf import api
  from tensorflow_model_analysis.experimental.metrics.aggregates import _classification
label_desc: Use image node_id 8 for calling a global function with example usage: _fowlkes_mallows_index(tp_at_topks, k_list, y_true_len, y_pred_count) and returns: _pos_sqrt