# -*-coding:utf-8 -*-f = open("1.txt", "rb")n = f.read()f.close()m = n.split("/r/n")print "m=",mprint m[1]m1 = []for i in xrange(len(m)): if not m[i] in m1:  m1.append(m[i])print "m1=", m1filename = open("1.0.txt", "wb")for i in xrange(len(m1)): filename.write(m1[i]+"/n")