pickle模塊保存python對象到文件的使用方法

1.保存python對象到文件

import pickle

s = "測試串"

f = open("./data/run.pkl", "wb")
pickle.dump(s, f)
f.close()

2.從文件讀取python對象

import pickle

f = open("./data/run.pkl", "rb")
s = pickle.load(f)
f.close()
print(s)

打印結果如下:
測試串

Process finished with exit code 0