# -*- coding: utf-8 -*-
import  sys
import numpy as np
import struct
from PIL import Image
print "hell word"


filename = 't10k-images-idx3-ubyte'
binfile = open(filename,'rb')
buf = binfile.read()


index = 0
magic,numImages,numRows,numColumns = struct.unpack_from('>IIII',buf,index) # 指定型別讀取資料，得到圖片總數
index += struct.calcsize('>IIII')


for image in range(0,numImages):
 im = struct.unpack_from('>784B',buf,index) #讀一個圖片
 index +=struct.calcsize('>784B')

 im = np.array(im,dtype = 'uint8')
 im = im.reshape(28,28) #畫素大小
 im = Image.fromarray(im)
 im.save('mnist_test/train_%s.bmp'%image,'bmp') #儲存轉換後的圖片格式