code: def work_dtype(dtype):
      """
      Return the data type for working memory.
  
      """
      if dtype == "float16":
          return "float32"
      else:
          return dtype
  
imports: from __future__ import absolute_import, print_function, division
label_desc: Use image node_id 1 for calling a global function with example usage: work_dtype(dtype) and returns: str, dtype