Do I have to continue being friends with someone I don't like?

I met a girl in college, we met on the first day of school, it's been about a month, we sit next to each other, but I started to dislike her, she's not a trustworthy person, all she talks about is men, her ex, smoking, religion or gossiping. I don't like people who say bad things behind people's backs. I don't know what to do
Do I have to continue being friends with someone I don't like?
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