save project

diy2.py

 i=3
 username = "python"
 userpassword = "123456"
-if i>0
-    while True:
+while True: 
+    if  i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         i-=1
@@ -16,5 +16,5 @@ if i>0
             print("密码输入有错误，请重新输入!")
     else:
         print("你的账户已被锁定，请带身份证来我司解锁")
-        exit
+        exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file