學習while和if 語句的嵌套使用

age1 = 90

num = 1
while num<=10:
    age = int(input("請輸入您的年齡："))
    if age == age1:
        print("正確，結束")
        num += 10
    elif age > age1:
        print("年齡太大了！")
    else:
        age < age1
        print("年齡太小了！")

txt = "gla0428"

sz = 1
while sz <=3 :
    txt1 = input("請輸入密碼：")
    if str(txt1) == str(txt):
        print("歡迎使用！")
        sz = 4
    else:
        print("密碼不正確，請重新輸入！")
        sz += 1
    print("結束輸入")