save project

diy2.py

@@ -12,10 +12,14 @@ while True:
         if name == username:
             if password != userpassword:
                 print("密码输入错误!")
+                print("您还有"+str(i)+"次机会")
         else:
-            print("用户名输入错误!")            
-        if name != username and password != userpassword:
+            print("用户名输入错误!")
+            print("您还有"+str(i)+"次机会")
+        else:            
+            if name != username and password != userpassword:
             print("用户名和密码错误!请重新输入")
+            print("您还有"+str(i)+"次机会")
     else:
         print("您没有登录机会了!")        
     print("欢迎来到贝尔编程!")