学习while和if 语句的嵌套使用

age1 = 90

num = 1
while num<=10:
    age = int(input("请输入您的年龄："))
    if age == age1:
        print("正确，结束")
        num += 10
    elif age > age1:
        print("年龄太大了！")
    else:
        age < age1
        print("年龄太小了！")

txt = "gla0428"

sz = 1
while sz <=3 :
    txt1 = input("请输入密码：")
    if str(txt1) == str(txt):
        print("欢迎使用！")
        sz = 4
    else:
        print("密码不正确，请重新输入！")
        sz += 1
    print("结束输入")