save project

diy1.py

@@ -7,12 +7,10 @@ while True:
     if name == username and password == userpassword:
         print("正确")
         break
-    if name !=username:
+    if name !=username and password=userpassword:
         print("错误,用户不存在")
-        continue
-    if password !=userpassword :
+    if password !=userpassword and name=username :
         print("错误,密码有误")
-        continue
 print("欢迎")