save project

diy.py

-a="python"
-b="123456"
-while True:
-    aa=input("请输入用户名")
-    bb=input("请输入密码")
-    if a==aa and b==bb:
-        print("登陆成功")
-        break
-    elif a!=aa:
-        print("用户名错误")
-    else:
-        print("密码错误")
-    
-print("欢迎")
\ No newline at end of file
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