Make commands into strings

Question

How do i for example use append as a string. i am learning programming while making a note taking program. where i enter in an operator or a method like append and it gives examples tips..etc. here is my code so far attached. Thanks.
https://code.sololearn.com/cIm41I6NmGd5/?ref=app

Answer 1

if x == "append":
and
remove str( from print

Answer 2

you could also use a string and not a list. you can use \n inside the string for row change if you need it.
so you can only print(append)

Answer 3

thanks here is my final code: https://code.sololearn.com/cIm41I6NmGd5/?ref=app