My girlfriend dumped me and now she wants us to be friends. Qhat should I do?

Anonymous
So about 1 year ago my girlfriend of 2 years dumped me and went on no contact for a whole year , a couple of days ago she contacted me saying that she's sorry for doing that because she "thought" to her self that i was the one ignoring her even though i told i had finals and had to study hard for them which she didn't mind at all , anyway now she's back and is saying she's sorry and she has a boyfriend for the last 3 months and now she wants us to to stay friends and she doesn't want to take it more than that.
I don't know what should i do , should i forgive her for what she did and leave her after? Or should forgive her stay friends with her?
I don't know what to do right now tbh.
My girlfriend dumped me and now she wants us to be friends. Qhat should I do?
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