dump 与 load
67.1 dump 与 load
pickle.dump 写入文件，pickle.load 读出对象。
只应加载可信来源的 pickle 文件（有安全风险）。
保存字典
import pickle
data = {'name': '小明', 'scores': [90, 85]}
with open('data.pkl', 'wb') as f:
pickle.dump(data, f)
with open('data.pkl', 'rb') as f:
loaded = pickle.load(f)
print(loaded)