Get Longest Word From List

gistfile1.py

# available above python 2.6

from multiprocessing import Pool

def extractMaxLen( l ):
  assert(len(l)>0)
  elem,elemLen = l[0],len(l[0])
  for idx in xrange(1, len(l)):
    if len(l[idx]) > elemLen:
      elem,elemLen = l[idx],len(l[idx])
  return elem

if __name__ == '__main__':
  lists = [ ["aaaa","aa","a" ],\
      ["aaaaaaaaaaaaa","aa","aaaaa"]]
  result = []
  pool = Pool(processes=4)
  print extractMaxLen(pool.map( extractMaxLen, lists))