save project

diy2.py

@@ -5,10 +5,13 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
+        i=3
+        break
     if name!=username:
         input("错误，请重新输账号")
     if password!=userpassword:
-        input("错误，请重新输密码")
+        i-=1
+        input("错误，\n你已输入"+str(3-i)+"次\n剩余"+str(i)+"次\n请重新输密码")
         break
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
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