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:
@@ -10,4 +13,7 @@ while True:
             print("用户名错误,请重新输入")
             print("用户名错误,请重新输入")
         if password != userpassword:
         if password != userpassword:
             print("密码错误,请重新输入")
             print("密码错误,请重新输入")
+    else:
+        print("您已输入错误3次，账号已锁定")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file