code: def finfo(dtype):
      if dtype == paddle.float32:
          return np.finfo(np.float32)
      if dtype == paddle.float16:
          return np.finfo(np.float16)
      if dtype == paddle.float64:
          return np.finfo(np.float64)
  
imports: import math
  from inspect import isfunction
  import numpy
  import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 1 for calling a global function with example usage: finfo(dtype) and returns: np, np, np