save project

diy2.py

@@ -11,11 +11,11 @@ while True:
             break
         if name!=username:
             print("用户不存在")
-            print("还剩"+i+"次")
+            print("还剩"+str(i)+"次")
             continue
         if password!=userpassword:
             print("密码错误!请重新输入")
-            print("还剩"+i+"次")
+            print("还剩"+str(i)+"次")
     else:
         print("账号冻结")
         exit()