code: def set_using_mixed_precision_policy(is_using):
      global _using_mixed_precision_policy
      _using_mixed_precision_policy = is_using
  
imports: from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 6 for calling a global function with example usage: set_using_mixed_precision_policy(is_using) without return types