Asking a girl out but she just laughed?

I asked a girl out at a party and first I said “ I was wondering if you want to go out” and at first she said “what” like she was confused but then I repeated myself and she just laughed and then one of her friend came and pulled her by the arm and told her to come and she didn’t know whether to go with her or not she’s like uhhh and then I sort of said yea go with her with my hands and I walked away and then as I walked away, I could hear her saying that I asked her out and he friend group started laughing. I was wondering what does that mean and also at work she would say oh this place is great and I would try to say something like oh we should go there sometime or we should go and always she either changes the subject or doesn’t even answer the question and also another time we were just talking and I asked for her snap I think or something like that and she said I won’t give you my Snapchat. I don’t know if she likes me or not can anyone explain to me thank you.
Asking a girl out but she just laughed?
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