!7

static L l;

p {
  l_persistentLister();
  l = l_getList("German words");
  print("List type: " + className(l));
  assertTrue(l << ListInConcept);
  print("Length: " + l(l));
  print("Words: " + sfu(l));
  sleepSeconds(2);
  addIfNotThere(l, "Hallo");
  print("Words now: " + sfu(l));
}