a = input("input a:n") 
  print "the input method: ",a 
  b = raw_input("input b:n") 
  print "the raw_input method: ",b 
   
  input a: 
  '/home/sunny/caffe-master/examples/images/cat.jpg' 
  the input method: /home/sunny/caffe-master/examples/images/cat.jpg 
   
  input b: 
  '/home/sunny/caffe-master/examples/images/cat.jpg' 
  the raw_input method: '/home/sunny/caffe-master/examples/images/cat.jpg' 

  #! -*- coding:utf-8 -*-  
  print raw_input(u'测试raw_input:n') 
   
  print input(u'测试input:n')