text: # spark-basic.py
  from pyspark import SparkConf
  from pyspark import SparkContext
  
  conf = SparkConf()
  conf.setAppName('spark-basic')
  sc = SparkContext(conf=conf)
  
  def mod(x):
      return (x, x % 2)
  
  rdd = sc.parallelize(range(1000)).map(mod).take(30)
  print rdd
  