code: def assert_equal_frames(f1, f2, sortColName):
      f1sorted = f1.sort(sortColName)
      f2sorted = f2.sort(sortColName)
      colNames = f1sorted.col_names
      colNames2 = f2sorted.col_names
      for index in range(0, len(colNames)):
          if colNames[index] in colNames2:
              pyunit_utils.compare_frames_equal_names(
                  f1sorted[colNames[index]], f2sorted[colNames[index]]
              )
  
imports: import sys
  import h2o
  from tests import pyunit_utils
label_desc: Use image node_id 3 for calling a global function with example usage: assert_equal_frames(f1, f2, sortColName) without return types