code: def __init__(self, n_in, n_out):
      W = np.random.randn(n_in, n_out).astype(np.float32)
      W /= np.sqrt(n_in)
      self.W = chx.array(W)
      self.b = chx.zeros((n_out,), dtype=chx.float32)
  
imports: import numpy
  import chainerx
label_desc: Use image node_id 1 to create a new Linear object from inherited base classes: object with example: obj = Linear(n_in, n_out)