save project

diy2.py

 i=3
+
 username = "python"
 userpassword = "123456"
 while True:
     if i>0:
+        print("你有%s次机会"%i)
         name = input("请输入用户名:")
         password = input("请输入密码:")
         i -=1
@@ -14,6 +16,7 @@ while True:
             #continue
         elif password!=userpassword:
             print("密码错误")
+       
     else:
         print("三次机会已用，账号封锁。")
         exit()