save project

diy2.py

-username = "panda"
+username = "pandapanda"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
     n = input("请输入用户名:")
     n = input("请输入用户名:")
@@ -8,6 +8,7 @@ while True:
         break
         break
     if n!=username:
     if n!=username:
         print("用户名错误！")
         print("用户名错误！")
+        continue
     if p!=userpassword:
     if p!=userpassword:
         print("密码错误!")
         print("密码错误!")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")