save project

diy2.py

@@ -6,10 +6,10 @@ 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
-    if name != username:
+    elif name != username:
         print("用户名不正确")
         print("用户名不正确")
-        continue1
-    if password != userpassword:
-        print("账号不正确")     
-    print("用户名和密码错误!请重新输入")
+    elif password != userpassword:
+        print("账号不正确")  
+    else:   
+        print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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