1.py

i=3
username="python"
userpassword="123456"
while True:
    if i>0:    
        name=input("请输入账号名：")
        password=input("请输入密码：")
        i-=1
        if name==username and password==userpassword :
            print("输入成功")
            break
        if name!=username:
            print("你的账号输入错误")
            print("就会发生"+str(i)+"gdgdgdg")
            continue
        if password!=userpassword:
            print("你的密码输入错误")
            print("就会发生"+str(i)+"gdgdgdg")
    else: 
        print("uydegtfyerruwe")
        exit()
print("但是房价还得")