save project

diy4.py

@@ -6,14 +6,17 @@ while True:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         i-=1
+        
         if name == username and password == userpassword:
             print("登录成功!")
             break
         if name != username:
             print('用户名输入错误，请重新输入')
+            print('还有'+str(i)+'次机会')
             continue
         if password != userpassword:
             print('密码输入错误，请重新输入')
+            print('还有'+str(i)+'次机会!')
     else:
         print('再1再2不再3，你给我滚')
         exit()