I need to know wether or not I should stop being friends with this person.

I have this friend. She kinda sucks sometimes. Recently, she was sending the group chat messages such as 'bruh imma kill myself I have to go out tomorrow'. Mind you, she is VERY extroverted. We weren't paying attention to her, so she hopped on snapchat where my other friend had said 'We had to put down my cat today'. She said, and I quote 'Thats nothing. I have to go out and see frinds tomorrow.'. TO THIS DAY SHE HAS NOT APOLOGISED. Her excuse was' I dont care how others feel'. Another time SHE ALONE was trying to talk to us during an assembly. My enyire friend group got in trouble and we all had to do a punishment. Even tho she had been the only one talking, SHE F**KING JUST WALKED OUT AND MADE US DO THE PUNISHMENT. NOT ONLY THAT WHEN WE CONFRONTED HER SHE SAID 'You guys hate me. But it doesn't matter bc you guys are worse, you shouldve just taken the blame for me.' Like mf? Anyway should I continue being her friend? These are just two examples of many stories I cant fit here.

don’t be her friend

Do NOT be her friend.
She has no human decency or regard for others.
She responded like THAT to someone saying their cat was put down?!
I have had many bad friends, but none as bad as that.

Thank you.

Bro , that's an obvious answer , hanging out with toxic people doesn't give you a friend but an ilusion of having a friend , i may sound like someone that only see their bad face ( due to lack of information ) but like, stop being friend with her if it brings you "pain" ( i wont say its pain here but like its not feeling nice )

Thanks. I'm trying to get her to not want to be my friend

no , try to make her understand you dont wanna be friend with her anymore , don't try to make her not being friend , because all she want is people with who she can talk negativly , being the victim , being the only one that feels pain . You can't make her want to not be friend , you have to make her understand YOU don't wanna be friend anymore

Also no paragraph spaces mb

do not. you do not need to talk to them. ever.