What does it mean when a girl sends you a snap of her legs in almost every snapchat you share?

I have this new friend from my class and we added each other on snap chat but two of her snaps she sent me were really hot especially her legs in the pic so I was wandering is she just doing it for fun like a casual snap chat of its just her way to show her legs? lol
I don't want to go deep in this but I am just curious about this.
What do you guys think?
What does it mean when a girl sends you a snap of her legs in almost every snapchat you share?
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