save project

diy2.py

@@ -8,12 +8,17 @@ while True:
         c-=1
         if name == username and password == userpassword:
             print("登录成功!")
+            c-=1
             break
         if username!=name:
             print("用户名错误!请重新输入")
+            c-=1
+            print("还剩"+se+"次机会")
             continue
         if userpassword!=password:
             print("密码错误！请重新输入!")
+            c-=1 
+            print("还剩"+se+"次机会")
     else:
         print("已经被锁定！")
         exit()