<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def RandomNormalInitializer(stddev=1e-2):
 """An initializer function for random normal coefficients."""

  def init(shape, rng):
    return (stddev * backend.random.normal(rng, shape)).astype('float32')
  return init