code: def _no_grad_normal_(tensor, mean=0.0, std=1.0):
      with paddle.no_grad():
          tensor.set_value(
              paddle.normal(mean=mean, std=std, shape=tensor.shape)
          )
      return tensor
  
imports: import math
  import numpy
  import paddle
  import paddle.nn
label_desc: Use image node_id 2 for calling a global function with example usage: _no_grad_normal_(tensor, mean, std) and returns: tensor