#Import SparkContext from pyspark
from pyspark import SparkContext
sc = SparkContext()
from operator import add
rdd1 = sc.parallelize([(“a”,1),(“b”,1),(“a”,1)])
!head -10 daily.csv
raw = sc.textFile(“daily.csv”)
daily = raw.map(lambda line: line.split(‘,’))
# Aggregate total count of visitors per year
tally = daily.map(lambda x: (x, 1))
.reduceByKey(lambda x,y: x+y)
# because Spark is lazy we need to perform an action on the RDD
Questions: How do I sort the tally by year
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