code: def random_metric1(yp, yt):
      return np.mean(yp == yt)
  
imports: from fairlearn.metrics import plot_model_comparison, make_derived_metric, selection_rate
  from sklearn.metrics import accuracy_score
  import numpy
  from .data_for_test import g_1, y_p, y_t
  import pytest
label_desc: Use image node_id 14 for calling a global function with example usage: random_metric1(yp, yt) and returns: np