save project

diy2.py

@@ -6,9 +6,9 @@ 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 username!=name:
+    elif username!=name:
         print("重新输入")  
         print("重新输入")  
         continue
         continue
-    if userpassword!=password:
+    elif userpassword!=password:
         print("重新输入")
         print("重新输入")
 print("来到贝尔编程")
 print("来到贝尔编程")
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