code: def test_dump_load(self):
      memcached = MockMemcached()
      m = MemcachedBytecodeCache(memcached)
  
      b = Bucket(None, "key", "")
      b.code = "code"
      m.dump_bytecode(b)
      assert memcached.key == "jinja2/bytecode/key"
  
      b = Bucket(None, "key", "")
      m.load_bytecode(b)
      assert b.code == "code"
  
file_path: catboost/contrib/python/Jinja2/py3/tests/test_bytecode_cache.py
imports: import pytest
  from jinja2 import Environment
  from jinja2.bccache import Bucket
  from jinja2.bccache import FileSystemBytecodeCache
  from jinja2.bccache import MemcachedBytecodeCache
  from jinja2.exceptions import TemplateNotFound
label_desc: Use image node_id 1 for calling the TestMemcachedBytecodeCache obj's underlying member method code with example usage: obj.test_dump_load() without return types