python泡菜模块pickle及简单机器学习

#!/usr/bin/env python
# -*- coding:utf-8 -*- 
#Author: ss

import pickle #泡菜模块

f = open('1.pkl','rb')
answer = pickle.load(f)
print(answer)
f.close()  #关闭文件，为了重新打开时指针在开头位置

while True:
    question = input("请输入要提问的问题：")
    if question == 'get':
        if answer:
            print('已有问题是：{}'.format(list(answer.keys())))
        else:
            print('还没有数据!请提问补充问题!')
    elif question == 'exit':
        print('谢谢使用，再见')
        break
    elif question == 'del':
        while True:
            del_question = input('请输入要删除的问题')
            if del_question in answer:
                del answer[del_question]
            elif del_question == 'quit':
                break
            else:
                print('找不到该问题')
    else:
        for i in list(answer.keys()):
            if question in i:
                print("答案是：{}".format(answer[i]))
                break
        else:
            huida = input("请你告诉我：")
            answer[question] = huida
f = open('1.pkl','wb')
pickle.dump(answer,f)
f.close()