python高效编程技巧6（如何实现用户的历史记录功能）

如何实现用户的历史记录功能

#!/usr/bin/env python
# -*- coding:utf-8 -*-
from random import randint
from collections import deque

N = randint(0, 100)
deque_result = deque([], 5)


def guess(k):
    if k == N:
        print "right"
        return True
    if k < N:
        deque_result.append(k)
        print "%s is less than N" % k
    else:
        deque_result.append(k)
        print "%s is greater than N" % k
    return False


while True:
    line = raw_input("please input a number:")
    if line.isdigit():
        k = int(line)
        if guess(k):
            break