code: def gen_randomness(ek: EncryptionKey, shape) -> Randomness:
      return Randomness(tf_big.random_uniform(shape=shape, maxval=ek.n))
  
imports: from typing import Optional
  from typing import Tuple
  import tensorflow
  import tf_big
label_desc: Use image node_id 4 for calling a global function with example usage: gen_randomness(ek, shape) and returns: Randomness