save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
         i-=1
         i-=1
-        break
-    elif name != username:
-        print("账号名错了，请重输！")
-        
-    elif password != userpassword:
-        print("密码错了，请重输！")
-        
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        elif name != username:
+            print("账号名错了，请重输！")
+            
+        elif password != userpassword:
+            print("密码错了，请重输！")
+    else:
+        print("账户已被锁定！")    
+        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