See inside and test out the blocks The blocks inside edit the contents of the list "stuff". You are free to use any of these as long as you give credit.
Credit to @DadOfMrLog for x^y script. I put it into the "save () ^ () to item () of list "stuff"". The rest of the code is made by me. Current blocks made: clear list "stuff" save [] to item () of list "stuff" save () ^ () to item () of list "stuff"