save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0:
+        i-=1
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
         if name == username and password == userpassword:
@@ -15,5 +18,7 @@ while True:
                 continue
                 continue
             if userpassword!=password:
             if userpassword!=password:
                 print("密码错误")
                 print("密码错误")
-
+    else :
+        print("账户已锁定")
+        exit()
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")