Question $1$

Which of the following is the correct way to open a file named people.txt to append to its contents?

Your answer:

f $=$ open$("$people$.$txt$","$w$")$

$f=$open$(people.txt,r)$

$f=$ open$("$people$.$txt$","$a$")$

f $=$ open$("$people$.$txt$","$e$")$

ear answer