save project

diy2.py

@@ -7,9 +7,11 @@ while True:
         password = input("请输入密码:")
         if name == username and password == userpassword:
             print("登录成功!")
+            print('您还剩三次机会:')
             break
         if  username!=name:
             print("用户名错误")
+            print('您还剩三次机会:')
         elif password!=userpassword:
             print("密码错误!请重新输入"):
             i-=i