pickle

import pickle
def say():
    print("hello One")
info = {
    "test1":"111111",
    "test2":"222222",
    "test3":say #pickle可以dump函数(内存地址)
}
f = open("test.txt", "wb")
pickle.dump(info, f)# f.write(pickle.dumps(info)) #两句话相等 #一般一个文件只dump一次 要多dump几次的话 必须放在多个文件里
f.close()
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import pickle
def say():
    print("hello Two")
f = open("test.txt", "rb") #无需encoding


byte_str = pickle.load(f) #byte_str = pickle.loads(f.read()) #两句话相同的意思
print(byte_str)
byte_str["test3"]()  #hello Two