code: def cross_columns(df, cross_column_list, bucket_sizes):
      return callZooFunc(
          "float", "crossColumns", df, cross_column_list, bucket_sizes
      )
  
imports: from zoo.common.utils import callZooFunc
  from pyspark.sql.types import IntegerType, ShortType, LongType, FloatType, DecimalType, DoubleType
label_desc: Use image node_id 9 for calling a global function with example usage: cross_columns(df, cross_column_list, bucket_sizes) and returns: callZooFunc