import time, random

class guessnum: def __init__(self): self._num = ” self.input_num = [] self.count = 1 #猜对所用次数 self.sec = 0 #猜对所用时间 self._generate_num() def _generate_num(self): #产生不重复的四个数字 seq_zton = list(range(10)) for i in range(0, 4): a = str(random.choice(seq_zton)) #选出一个数字 self._num += a seq_zton.remove(int(a)) #注意a的类型 self.sec = time.clock() #开始计时 def check_answer(self): return self._num

def check_input(self): num_pos, num_value = 0, 0 #位置对和数值对的分别的个数 tmp = input(“please input the number you guess(no repetition),or ‘c’ to check the answer:”) if tmp == ‘c’: print(self.check_answer()) tof = self.check_input() return tof elif not tmp.isalnum or not len(tmp) == 4: print(“wrong format!”) tof = self.check_input() #需要优化 return tof self.input_num = list(tmp) lst_temp = list(self._num) if self.input_num == lst_temp: #猜对 self.prt_vic() return true for i in lst_temp: if i in self.input_num: if lst_temp.index(i) == self.input_num.index(i): #位置也相同 num_pos += 1 num_value += 1 else: num_value += 1

self.prt_state(num_pos, num_value) self.count += 1 return false

def prt_state(self, num_pos, num_value): print(“you’ve got %d numbers with the right position and %d numbers with the right value only” % (num_pos, num_value)) def prt_vic(self): t = time.clock() self.sec = t – self.sec print(“congratulations!you have successfully got the right number!”) print(“%d times and %.2f sec in total to get the right answer” % (self.count, self.sec))

gn = guessnum()while true: ss = gn.check_input() if ss: b = input(“continue? y/n:”) if b == ‘n’: break else: gn = guessnum() continue