Weight loss tips?

Hello everyone!! I am a 23 year old female. I weigh 58kg. I have nice boobs n ass n height is 5.4. My question is if according to my age and height my weight is correct? I don’t want to lose my ass or boobs as they’re really good. I can lose a little bit waist I think. Any suggestions on ideal weight for someone like me? And ideal tips to maintain it and any easy ways for a toned waist.
Weight loss tips?
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