auto save

diy2.py

@@ -5,9 +5,8 @@ while True:
     password = input("请输入密码:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         break
         break
-    if name!=username:
+    elif name!=username:
         print("用户名输入错误，请重输")
         print("用户名输入错误，请重输")
-        continue
-    if password != userpassword:
+    else: 
         print("密码输入错误，请重输")
         print("密码输入错误，请重输")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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