Was this girl genuinely interested in me or just playing games?

Two months ago, I met a girl in class. Through a mutual friend, I let her know that I liked her. She said she wasn't ready because her relationship had just ended. I didn't say anything for two weeks. After that, we started meeting up and hanging out after class. Sometimes she would reply when I texted her. However, even though she acted close and friendly, she wouldn't lean towards a relationship, and she had other problems in her life, like the possibility of going abroad. She was focused on her career."

After all this happened, we met up and hung out five times. Once university was over, she stopped replying to my messages and said she had a boyfriend. So, I blocked her and I'm not going to talk to her anymore. Probably, the last things she said were just a game to keep me away from her, right? I don't even care anymore."

Updates
18 h
The last thing she said was, 'I have a boyfriend, so I can't talk to you anymore.' What she said was probably just an excuse to keep me away, right? Because three months ago, her long-term relationship ended badly. We last sat down together 20 days ago, and if she had a boyfriend, I probably would have noticed. I don't even care anymore, and I don't want to talk to her either."
Updates
18 h
Most importantly, she used to see me and talk to me when school was on. Once school was over, there was no reason left to talk, and I think that’s why she said this. Am I wrong?"
Was this girl genuinely interested in me or just playing games?
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