auto save

diy1.py

-username = "python"    
-userpassword = "123456" 
-i=3
-while True:
-    if i>0:
-        name=input("请输入账号:")
-        password=input("请输入密码:")
-        i-=1
-        if name==username and password==userpassword:
-            print("登入成功")
-            break
-        if name!=username:
-            print("账号错误，请重新输入")
-            print("温馨提示:你还有"+str(i)+"次机会")
-            continue
-        if password!=userpassword:
-            print("密码错误，请重新输入")
-            print("温馨提示:你还有"+str(i)+"次机会")
-    else:
-         print("你的账号已锁定，请携带身份证来我司解锁")
-         exit()
-print("欢迎来到贝尔编程!")
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