save project

diy2.py

@@ -3,12 +3,12 @@ userpassword = "123456"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
-    if name == username and password == userpassword:
+    elif name == username and password == userpassword:
         print("登录成功!")
         break
     print("用户名和密码错误!请重新输入")
         continue
-    if username ！=userpassword:
+    elis username ！=userpassword:
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")