How To Lose Body Fat?

I am 15 years old, I weigh 180, and i think my height is 5’11. I want to lose body fat but what exercises do I do so that i can burn it off. I want to lose most of the fat thats on my belly and my pecks/chest. What foods should I stop eating that adds more fat to my pecks and my belly? HELP

Cardio, weight training or home training such as push ups and something like that