code: def test_vector_init_with_number():
      v = vector(3)
      assert len(v) == 3
      assert v.shape == (3, 1)
      assert str(v) == "0\n0\n0"
      assert repr(v) == "dlib.vector([0, 0, 0])"
  
imports: from dlib import vector, vectors, vectorss, dot
  from pytest import raises
label_desc: Use image node_id 2 for calling a global function with example usage: test_vector_init_with_number() without return types