new_contents: def test1():
      """Start from empty."""
      from coils import SortedList
      a = SortedList()
      for val in range(10):
          a.add(val)
      assert a.getCountLT(5) == 5
      assert a.getCountGT(5) == 4
      assert a.removeLT(5) == 5
      assert a.getCountLT(5) == 0
  
  def test2():
      """Construct from list."""
      from coils import SortedList
      a = SortedList([b for b in range(10)])
      assert a.getCountLT(5) == 5
      assert a.getCountGT(5) == 4
      assert a.removeLT(5) == 5
      assert a.getCountLT(5) == 0
  
subject: Add SortedList tests.