save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0:
         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:")
+        i-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -12,4 +15,8 @@ while True:
         if password != userpassword:
         if password != userpassword:
             print("滚")  
             print("滚")  
             continue
             continue
-print("欢迎来到贝尔编程!")
+        print("欢迎来到贝尔编程!")
\ No newline at end of file
+    else:
+
+    print("!")
+    exit()