Girls, What does she mean when she says she likes me a little bit?

There was this girl at my school who I had a huge crush on, however, someone told her I liked her. My friend who was sort of being my wingman spoke to her and she said she likes me a little bit. I heard that it probably means she doesn't like you but is trying to be polite. So what does it actually mean when a girl says she likes me a little bit?
Girls, What does she mean when she says she likes me a little bit?
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