save project

diy2.py

@@ -4,14 +4,11 @@ while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     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:
-        print("登录成功!") 
-    print("用户名和密码错误!请重新输入")
-    break
-    
-       if name!=username:
+        print("登录成功!")
+        break
+    if name!=username:
         print("用户名错误，请重新输入")
         print("用户名错误，请重新输入")
+        continue
     if password!=userpassword:
     if password!=userpassword:
         print("密码错误，请重新输入")
         print("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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