code: def test_hash_length():
      assert len(random_hash(0)) == 0
      assert len(random_hash(1)) == 1
      assert len(random_hash(63)) == 63
      assert len(random_hash(64)) == 64
      assert len(random_hash(65)) == 65
      assert len(random_hash(1000)) == 1000
  
imports: import random
  from keepsake.hash import random_hash
label_desc: Use image node_id 1 for calling a global function with example usage: test_hash_length() without return types