code: def pubdev_6603():
      hf = h2o.H2OFrame(
          pd.DataFrame([{"a": 1, "b": 2}, {"a": 3, "b": 4}])
      )
      s1, s2 = hf.split_frame(ratios=[0.5], seed=1)
      h2o.remove([hf, s1, s2])
      assert len(h2o.ls()) == 0
  
imports: import sys
  from tests import pyunit_utils
  import h2o
  import pandas
label_desc: Use image node_id 1 for calling a global function with example usage: pubdev_6603() without return types