code: def h2o_H2OFrame_relevel():
      """
      Python API test: h2o.frame.H2OFrame.relevel(y)
      """
      python_lists = np.random.randint(-5, 5, (100, 2))
      h2oframe = h2o.H2OFrame(python_obj=python_lists)
      newFrame = h2oframe.asfactor()
      allLevels = newFrame.levels()
      lastLevels = len(allLevels[0]) - 1
      newZeroLevel = allLevels[0][lastLevels]
      newFrame[0] = newFrame[0].relevel(
          newZeroLevel
      )  # set last level as 0
      newLevels = newFrame.levels()
  
      assert (
          allLevels != newLevels
      ), "h2o.H2OFrame.relevel() command is not working."  # should not equal
      assert (
          newLevels[0][0] == allLevels[0][lastLevels]
      ), "h2o.H2OFrame.relevel() command is not working."
  
imports: import sys
  import h2o
  from tests import pyunit_utils
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: h2o_H2OFrame_relevel() without return types