save project

diy2.py

+num=3
 username = "python"
 userpassword = "123456"
 while True:
@@ -8,8 +9,12 @@ while True:
         break
     if name != username and password == userpassword:
         print("用户名错误!请重新输入")
+        num=num-1
+        print(num)
         continue
     if name == username and password != userpassword:
         print("密码错误!请重新输入")
+        num=num-1
+        print(num)
         continue
 print("欢迎来到贝尔编程!")
\ No newline at end of file