save project

diy1.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 name != username: 
+    elif name != username: 
         print("用户名不存在,请重新输入!")
         print("用户名不存在,请重新输入!")
         continue
         continue
-    if password != userpassword:
+    else:
         print("用户名和密码错误!请重新输入")
         print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")# 如果用户入的账号、密码正确，提示登陆成功
 print("欢迎来到贝尔编程!")# 如果用户入的账号、密码正确，提示登陆成功
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