pyspark udf multiple inputs
from pyspark.sql.types import IntegerType
from pyspark.sql.functions import udf
def sum(x, y):
return x + y
sum_cols = udf(sum, IntegerType())
a=spark.createDataFrame([(101, 1, 16)], ['ID', 'A', 'B'])
a.withColumn('Result', sum_cols('A', 'B')).show()