python猜数字（更新）

#!/usr/bin/python3
import random


def guess(c, b): 
    c = input('你想猜0到多少的数:')
    b = input('从0-{0}内猜一个数字:'.format(c))
    c = int(c)
    a = random.randint(0, c) 
    n = 0 
    while True:
        while True:
            while True:
                n = n + 1 
                if str.isdigit(b) == True: 
                    break
                else:
                    b = input("请输入一个整数:")
            b = int(b)
            if b in range(0, c): 
                break 
            else: 
                b = input("请输入0到{0}以内的数字:".format(c)) 
        b = int(b)
        if a > b: 
            b = input("你猜的数字小了，请重新输入:")
        elif a < b:
            b = input("你猜的数字大了,请重新输入:")
        elif a == b:
            print('猜对了，你猜了：', n, '次!')
            print('答案是：', a)
            break


def chonglai(b):  # 重来一次
    while True:
        x = input('再试一次(Y/N)?:')
        if x.upper() == 'Y':
            guess(c, b)
        elif x.upper() == 'N':
            break
        else:
            x = input('请输入Y或者N:')


c = 0
b = 0
guess(c, b)
chonglai(b)