code: def test_vector_get():
      x = np.random.rand(n)
      i = np.random.randint(n)
      xi = vector_get(x, i)
      assert xi == x[i]
  
imports: import numpy
  from ..None import vector_get, vector_set
label_desc: Use image node_id 1 for calling a global function with example usage: test_vector_get() without return types