text: test = {
      'name': 'checkpoint-9',
      'points': 1,
      'suites': [
          {
              'cases': [
                  {
                      'code': r"""
                      >>> # Hmm, can't find the sqDiffMatrices function.
                      >>> # You need to have completed checkpoint 8 for this question!
                      >>> "sqDiffMatrices" in dir()
                      True
                      """
                  },
                  {
                      'code': r"""
                      >>> # Hmm, can't find the A_cp9 matrix.
                      >>> # Have you defined it correctly?
                      >>> "A_cp9" in dir()
                      True
                      """
                  },
                  {
                      'code': r"""
                      >>> # Hmm, can't find the B_cp9 matrix.
                      >>> # Have you defined it correctly?
                      >>> "B_cp9" in dir()
                      True
                      """
                  },
                  {
                      'code': r"""
                      >>> # Your squard difference is wrong by at least 0.001.
                      >>> # Check that you are first subtracting and then squaring.
                      >>> np.isclose(sqDiffMatrices(A_cp9, B_cp9), 0.177, atol=10**-3, rtol=0)
                      True
                      """
                  }
              ],
              'scored': True,
              'type': 'doctest'
          }
      ]
  }
  