python2-assignment8.4

response = raw_input("Enter file name: ")
lst = []
no_dup=[]

with open(response) as file:

  for line in file:
    lst = line.split()
    for i in lst:
      print ("Item: %s" % i)
      if i not in no_dup:
        no_dup.append(i)

  sorted_array=sorted(no_dup)
  print sorted_array