save project

diy1.py

@@ -5,10 +5,10 @@ while True:
     password=input("密码：")
     if  username==name  and uesrpassword==password:
         print("登陆成功！") 
-        break
-    if username!=name:
-        print("用户名不存在，请重新输入")
-        continue
-    if userpassword!=password:
+        breakuser
+    elif name!=username:
+        print("用户名不存在，请重新输入") 
+    else :
+        password!=userpassword
         print("密码错误,请重新输入")
 print("欢迎来到贝尔编程！")
\ No newline at end of file