save project

diy2.py

+i = 3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i > 0:
+        i = 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:
             print("登录成功!")
             print("登录成功!")
             break
             break
-    if name!=username:
+        elif name!=username:
             print("用户名错误")
             print("用户名错误")
-       continue
-    if password !=userpassword:
+        else:
             print("账号错误")
             print("账号错误")
-    print("用户名和密码错误!请重新输入")
+    else:
+        print("超过次数，锁定账号")
+        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