save project

diy2.py

@@ -9,14 +9,11 @@ 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("用户名不存在，请重新输入")
             print("用户名不存在，请重新输入")
-            name = input("请输入用户名:")
-        if userpassword!=password:
+        else:
             print("密码不存在，请重新输入")    
             print("密码不存在，请重新输入")    
-            password = input("请输入密码:") 
-        continue  
     else:
     else:
-        print("系统已打通110") 
+        print("110") 
         exit()    
         exit()    
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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