code: def plotkernelsample(k, ax, xmin=-3, xmax=3, title=None):
      xx = np.linspace(xmin, xmax, 100)[:, None]
      ax.plot(
          xx, np.random.multivariate_normal(np.zeros(100), k(xx), 3).T
      )
      ax.set_title(title)
  
label_desc: Use image node_id 1 for calling a global function with example usage: plotkernelsample(k, ax, xmin, xmax, title) without return types