python学习第一周 猜数字小游戏

#!/usr/bin/python3
#-*- coding:UTF-8 -*-
import random
number = random.randint(1,100)
guess = 0
print('下面开始猜数字游戏，数字的范围是1-100')
while True:
num = input("请输入数字:")
guess += 1
if not num.isdigit():
print('请输入数字')
elif int(num) < 0 or int(num) > 100:
print('数字范围在1-100之间')
else:
if int(num) < number:
print('您输入的数字小了')
elif int(num) == number:
print('恭喜您猜对了，一共猜了%d次' % guess)
break
elif int(num) > number:
print('您猜的数字大了')
else:
print('发生未知错误')