code: def h2o_H2OFrame_lstrip():
      """
      Python API test: h2o.frame.H2OFrame.lstrip(set='')
  
      Copied from runit_lstrip.R
      """
      iris = h2o.import_file(
          path=pyunit_utils.locate("smalldata/iris/iris.csv")
      )
      iris["C5"] = iris["C5"].lstrip("Iris-")
      newNames = iris["C5"].levels()[0]
      newStrip = ["etosa", "versicolor", "virginica"]
  
      assert (
          newNames == newStrip
      ), "h2o.H2OFrame.lstrip() command is not working."
  
imports: import sys
  import h2o
  from tests import pyunit_utils
  from h2o.utils.typechecks import assert_is_type
  from random import randrange
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: h2o_H2OFrame_lstrip() without return types