import itertools as it, sys
from itertools import chain
def getCountBySocial(srkrData):
srkrDataMap = chain. \
from_iterable(it.imap(lambda s: s.split("\t")[7].split(", "), srkrData))
srkrGroupby = it.groupby(sorted(srkrDataMap))
srkrGroupbyMap = it.imap(lambda t: (t[0], len(list(t[1]))), srkrGroupby)
return srkrGroupbyMap
srkrData = open(sys.argv[1]).read().splitlines()
for i in getCountBySocial(srkrData): print(i)