import csv

field = 1


data = []

with open('input.csv') as csvfile:
  readCSV = csv.reader(csvfile, delimiter=',')
  for row in readCSV:
    data.append(row)

def getKey(item):
      return item[field]
      
sorted = sorted(data, key=getKey)

f = open('output.csv','w')

for i in sorted:
  s = ",".join(i)
  f.write(s + '\n')

  f.write(s + '\n')