pickle存储和读取数据

import  pickle
d1={'a':234,'b':[3,5,7],'w':[4,5]}
#存储数据
f=open(r'D:\matplotlib绘图\aaa.pickle','wb')
pickle.dump(d1,f)
f.close()

#读取数据
with  open(r'D:\matplotlib绘图\aaa.pickle','rb')  as f1:
    d2=pickle.load(f1)
print(d2)
{'a': 234, 'b': [3, 5, 7], 'w': [4, 5]}