Hi. I am new to codeforces and i think my rating will saturate around expert in the coming time. My goal is to get the grandmaster title. I know upsolving will help, but i don't have much time everyday to spend on this (as I am pursuing my PhD rn). Is there any discord server where there are one or two problems of codeforces put everyday and everyone solves it and discusses the ideas surrounding that? My preferred language is Python. Any other good telegram/ whatsapp or other group suggestions are also appreciated.