code: def mean(probs):
      # do not evaluate close to 0.5
      return probs / (2.0 * probs - 1.0) + 1.0 / (
          2.0 * np.arctanh(1.0 - 2.0 * probs)
      )
  
imports: import numpy
  from scipy import special
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import continuous_bernoulli
  from tensorflow_probability.python.distributions import kullback_leibler
  from tensorflow_probability.python.internal import tensorshape_util
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 4 for calling a global function with example usage: mean(probs) and returns: unknown