code: def set_prefer_float32(b):
      global _prefer_float32
      _prefer_float32 = b
  
file_path: tensorflow-upstream/tensorflow/python/ops/numpy_ops/np_dtypes.py
imports: import numpy
  from tensorflow.python.framework import dtypes
  from tensorflow.python.util import tf_export
label_desc: Use image node_id 2 for calling a global function with example usage: set_prefer_float32(b) without return types