save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:
         name=input("你的帐号是什么？")
         password=input("你的密码是什么？")
         if name==username and password==userpassword:
@@ -11,4 +13,7 @@ while True:
             continue
         if password!=userpassword:
             print("请重新输入")
+    else:
+        print("账号已被锁定")
+        exit()
 print("欢迎进入")
\ No newline at end of file