python2與python3的區別——1

python2與python3之pickle模塊的區別
1、在python2中

import pickle
D=[1,2,3,4]
pickle.dump(D,file('Data.pkl','w'))
pickle.load(file('Data.pkl'))

2、在python3中

import pickle
D=[1,2,3,4]
pickle.dump(D,open('Data.pkl','wb'))
pickle.load(open('Data.pkl','rb'))