Python actual combat case-guess the number game

# 导引随机数模块，随机产生数字
print("~~~~~~~~~~~~~~~~~~~~~~~~欢迎来到张氏游戏玩家~~~~~~~~~~~~~~~~~~~~~~~~")
print("           ")
import random


# 使用randint方法，产生0--100随机数
system_num = random.randint(0,100)
print("system_num is %s"%system_num)

# 进入选择结构，猜数字
while True:
	user_num = int(input("请输入您要猜的数字（范围：0--100）： "))
	if user_num > system_num:
		print("对不起，您猜大了")
	elif user_num < system_num:
		print("对不起，您才小了")
	else:
		print("恭喜您，猜对了！")
		conform = input("请问，您需要继续猜吗？（Y/y）")
		if conform != "Y" and conform != "y":
			print("感谢您的使用，欢迎下次使用...")
			break
		else:
			system_num = random.randint(0,100)
			print("system_num is %s"%system_num)