save project

diy1.py

 username = "python"    
 username = "python"    
 usernames = "123456"
 usernames = "123456"
-
-A=input("请输入账号")
-b=input("请输入密码")
 while True:
 while True:
+    A=input("请输入账号")
+    b=input("请输入密码")
     if  username ==A and usernames==b:
     if  username ==A and usernames==b:
         print("登陆成功")
         print("登陆成功")
-    break
-print("欢迎来到贝尔编程")
-    
+        break
     else:
     else:
         print("登陆失败,请再次输入")
         print("登陆失败,请再次输入")
+print("欢迎来到贝尔编程")
+