save project

diy2.py

@@ -6,7 +6,7 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    elif name = username:    
+    elif name != username:    
         print("重新输入用户名")
         print("重新输入用户名")
     else:
     else:
         print("重新输入用户名")
         print("重新输入用户名")